CVE-2021-27853
Summary
| CVE | CVE-2021-27853 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2022-09-27 18:15:00 UTC |
| Updated | 2022-11-16 17:26:00 UTC |
| Description | Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/SNAP headers. |
Risk And Classification
Problem Types: CWE-290
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Cisco | Catalyst 3650-12x48fd-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-12x48fd-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-12x48fd-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-12x48uq-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-12x48uq-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-12x48uq-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-12x48ur-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-12x48ur-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-12x48ur-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-12x48uz-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-12x48uz-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-12x48uz-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24pd-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24pd-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24pd-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24pdm-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24pdm-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24pdm-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24ps-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24ps-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24ps-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24td-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24td-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24td-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24ts-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24ts-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-24ts-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fd-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fd-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fd-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fq-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fq-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fq-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fqm-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fqm-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fqm-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fs-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fs-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48fs-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48pd-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48pd-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48pd-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48pq-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48pq-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48pq-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48ps-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48ps-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48ps-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48td-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48td-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48td-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48tq-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48tq-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48tq-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48ts-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48ts-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-48ts-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-8x24pd-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-8x24pd-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-8x24pd-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-8x24uq-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-8x24uq-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3650-8x24uq-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-12s-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-12s-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-12xs-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-12xs-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-16xs-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-16xs-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24p-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24p-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24pw-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24s-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24s-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24t-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24t-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24t-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24u-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24u-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24u-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24xs-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24xs-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24xu-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24xu-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-24xu-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-32xs-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-32xs-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48f-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48f-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48f-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48p-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48p-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48p-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48pw-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48t-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48t-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48t-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48u-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48u-l | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48u-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48xs-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48xs-f-e | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48xs-f-s | - | All | All | All |
| Hardware | Cisco | Catalyst 3850-48xs-s | - | All | All | All |
| Hardware | Cisco | Catalyst 6503-e | - | All | All | All |
| Operating System | Cisco | Catalyst 6503-e Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst 6504-e | - | All | All | All |
| Operating System | Cisco | Catalyst 6504-e Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst 6506-e | - | All | All | All |
| Operating System | Cisco | Catalyst 6506-e Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst 6509-e | - | All | All | All |
| Operating System | Cisco | Catalyst 6509-e Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst 6509-neb-a | - | All | All | All |
| Operating System | Cisco | Catalyst 6509-neb-a Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst 6509-v-e | - | All | All | All |
| Operating System | Cisco | Catalyst 6509-v-e Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst 6513-e | - | All | All | All |
| Operating System | Cisco | Catalyst 6513-e Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst 6800ia | - | All | All | All |
| Operating System | Cisco | Catalyst 6800ia Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst 6807-xl | - | All | All | All |
| Operating System | Cisco | Catalyst 6807-xl Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst 6840-x | - | All | All | All |
| Operating System | Cisco | Catalyst 6840-x Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst 6880-x | - | All | All | All |
| Operating System | Cisco | Catalyst 6880-x Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst 9200 | - | All | All | All |
| Hardware | Cisco | Catalyst 9200cx | - | All | All | All |
| Hardware | Cisco | Catalyst 9200l | - | All | All | All |
| Hardware | Cisco | Catalyst 9300 | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l | - | All | All | All |
| Hardware | Cisco | Catalyst 9300lm | - | All | All | All |
| Hardware | Cisco | Catalyst 9300x | - | All | All | All |
| Hardware | Cisco | Catalyst 9400 | - | All | All | All |
| Hardware | Cisco | Catalyst 9500 | - | All | All | All |
| Hardware | Cisco | Catalyst 9500h | - | All | All | All |
| Hardware | Cisco | Catalyst 9600 | - | All | All | All |
| Hardware | Cisco | Catalyst 9600x | - | All | All | All |
| Hardware | Cisco | Catalyst C3850-12x48u-e | - | All | All | All |
| Hardware | Cisco | Catalyst C3850-12x48u-l | - | All | All | All |
| Hardware | Cisco | Catalyst C3850-12x48u-s | - | All | All | All |
| Hardware | Cisco | Catalyst C6816-x-le | - | All | All | All |
| Operating System | Cisco | Catalyst C6816-x-le Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst C6824-x-le-40g | - | All | All | All |
| Operating System | Cisco | Catalyst C6824-x-le-40g Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst C6832-x-le | - | All | All | All |
| Operating System | Cisco | Catalyst C6832-x-le Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Hardware | Cisco | Catalyst C6840-x-le-40g | - | All | All | All |
| Operating System | Cisco | Catalyst C6840-x-le-40g Firmware | 15.5\(01.01.85\)sy07 | All | All | All |
| Application | Cisco | Ios Xe | 15.2\(07\)e02 | All | All | All |
| Application | Cisco | Ios Xe | 15.2\(07\)e03 | All | All | All |
| Application | Cisco | Ios Xe | 17.3.3 | All | All | All |
| Application | Cisco | Ios Xe | 17.4.1 | All | All | All |
| Application | Cisco | Ios Xe | 17.6.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 15.2\(07\)e02 | All | All | All |
| Operating System | Cisco | Ios Xe | 15.2\(07\)e03 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.4.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.6.1 | All | All | All |
| Hardware | Cisco | Meraki Ms210 | - | All | All | All |
| Operating System | Cisco | Meraki Ms210 Firmware | - | All | All | All |
| Hardware | Cisco | Meraki Ms225 | - | All | All | All |
| Operating System | Cisco | Meraki Ms225 Firmware | - | All | All | All |
| Hardware | Cisco | Meraki Ms250 | - | All | All | All |
| Operating System | Cisco | Meraki Ms250 Firmware | - | All | All | All |
| Hardware | Cisco | Meraki Ms350 | - | All | All | All |
| Operating System | Cisco | Meraki Ms350 Firmware | - | All | All | All |
| Hardware | Cisco | Meraki Ms355 | - | All | All | All |
| Operating System | Cisco | Meraki Ms355 Firmware | - | All | All | All |
| Hardware | Cisco | Meraki Ms390 | - | All | All | All |
| Operating System | Cisco | Meraki Ms390 Firmware | - | All | All | All |
| Hardware | Cisco | Meraki Ms410 | - | All | All | All |
| Operating System | Cisco | Meraki Ms410 Firmware | - | All | All | All |
| Hardware | Cisco | Meraki Ms420 | - | All | All | All |
| Operating System | Cisco | Meraki Ms420 Firmware | - | All | All | All |
| Hardware | Cisco | Meraki Ms425 | - | All | All | All |
| Operating System | Cisco | Meraki Ms425 Firmware | - | All | All | All |
| Hardware | Cisco | Meraki Ms450 | - | All | All | All |
| Operating System | Cisco | Meraki Ms450 Firmware | - | All | All | All |
| Hardware | Cisco | N9k-c9316d-gx | - | All | All | All |
| Operating System | Cisco | N9k-c9316d-gx Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-c9332d-gx2b | - | All | All | All |
| Operating System | Cisco | N9k-c9332d-gx2b Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-c9348d-gx2a | - | All | All | All |
| Operating System | Cisco | N9k-c9348d-gx2a Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-c93600cd-gx | - | All | All | All |
| Operating System | Cisco | N9k-c93600cd-gx Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-c9364d-gx2a | - | All | All | All |
| Operating System | Cisco | N9k-c9364d-gx2a Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x9432c-s | - | All | All | All |
| Operating System | Cisco | N9k-x9432c-s Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x9464px | - | All | All | All |
| Operating System | Cisco | N9k-x9464px Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x9464tx2 | - | All | All | All |
| Operating System | Cisco | N9k-x9464tx2 Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x9564px | - | All | All | All |
| Operating System | Cisco | N9k-x9564px Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x9564tx | - | All | All | All |
| Operating System | Cisco | N9k-x9564tx Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x9636c-r | - | All | All | All |
| Hardware | Cisco | N9k-x9636c-rx | - | All | All | All |
| Operating System | Cisco | N9k-x9636c-rx Firmware | 9.3\(5\) | All | All | All |
| Operating System | Cisco | N9k-x9636c-r Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x97160yc-ex | - | All | All | All |
| Operating System | Cisco | N9k-x97160yc-ex Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x9732c-ex | - | All | All | All |
| Operating System | Cisco | N9k-x9732c-ex Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x9732c-fx | - | All | All | All |
| Operating System | Cisco | N9k-x9732c-fx Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x9736c-ex | - | All | All | All |
| Operating System | Cisco | N9k-x9736c-ex Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x9736c-fx | - | All | All | All |
| Operating System | Cisco | N9k-x9736c-fx Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | N9k-x9788tc-fx | - | All | All | All |
| Operating System | Cisco | N9k-x9788tc-fx Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 92160yc-x | - | All | All | All |
| Operating System | Cisco | Nexus 92160yc-x Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 92300yc | - | All | All | All |
| Operating System | Cisco | Nexus 92300yc Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 92304qc | - | All | All | All |
| Operating System | Cisco | Nexus 92304qc Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 92348gc-x | - | All | All | All |
| Operating System | Cisco | Nexus 92348gc-x Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9236c | - | All | All | All |
| Operating System | Cisco | Nexus 9236c Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9272q | - | All | All | All |
| Operating System | Cisco | Nexus 9272q Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 93108tc-ex | - | All | All | All |
| Operating System | Cisco | Nexus 93108tc-ex Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 93108tc-fx | - | All | All | All |
| Hardware | Cisco | Nexus 93108tc-fx3p | - | All | All | All |
| Operating System | Cisco | Nexus 93108tc-fx3p Firmware | 9.3\(5\) | All | All | All |
| Operating System | Cisco | Nexus 93108tc-fx Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 93120tx | - | All | All | All |
| Operating System | Cisco | Nexus 93120tx Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 93180yc-ex | - | All | All | All |
| Operating System | Cisco | Nexus 93180yc-ex Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 93180yc-fx | - | All | All | All |
| Hardware | Cisco | Nexus 93180yc-fx3 | - | All | All | All |
| Operating System | Cisco | Nexus 93180yc-fx3 Firmware | 9.3\(5\) | All | All | All |
| Operating System | Cisco | Nexus 93180yc-fx Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 93216tc-fx2 | - | All | All | All |
| Operating System | Cisco | Nexus 93216tc-fx2 Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 93240yc-fx2 | - | All | All | All |
| Operating System | Cisco | Nexus 93240yc-fx2 Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9332c | - | All | All | All |
| Operating System | Cisco | Nexus 9332c Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 93360yc-fx2 | - | All | All | All |
| Operating System | Cisco | Nexus 93360yc-fx2 Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9336c-fx2 | - | All | All | All |
| Hardware | Cisco | Nexus 9336c-fx2-e | - | All | All | All |
| Operating System | Cisco | Nexus 9336c-fx2-e Firmware | 9.3\(5\) | All | All | All |
| Operating System | Cisco | Nexus 9336c-fx2 Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9348gc-fxp | - | All | All | All |
| Operating System | Cisco | Nexus 9348gc-fxp Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9364c | - | All | All | All |
| Hardware | Cisco | Nexus 9364c-gx | - | All | All | All |
| Operating System | Cisco | Nexus 9364c-gx Firmware | 9.3\(5\) | All | All | All |
| Operating System | Cisco | Nexus 9364c Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9432pq | - | All | All | All |
| Operating System | Cisco | Nexus 9432pq Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9504 | - | All | All | All |
| Operating System | Cisco | Nexus 9504 Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9508 | - | All | All | All |
| Operating System | Cisco | Nexus 9508 Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9516 | - | All | All | All |
| Operating System | Cisco | Nexus 9516 Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9536pq | - | All | All | All |
| Operating System | Cisco | Nexus 9536pq Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9636pq | - | All | All | All |
| Operating System | Cisco | Nexus 9636pq Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9716d-gx | - | All | All | All |
| Operating System | Cisco | Nexus 9716d-gx Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9736pq | - | All | All | All |
| Operating System | Cisco | Nexus 9736pq Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus 9800 | - | All | All | All |
| Operating System | Cisco | Nexus 9800 Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Nexus X9636q-r | - | All | All | All |
| Operating System | Cisco | Nexus X9636q-r Firmware | 9.3\(5\) | All | All | All |
| Hardware | Cisco | Sf-500-24mp | - | All | All | All |
| Operating System | Cisco | Sf-500-24mp Firmware | 3.0.0.61 | All | All | All |
| Hardware | Cisco | Sf500-18p | - | All | All | All |
| Operating System | Cisco | Sf500-18p Firmware | 3.0.0.61 | All | All | All |
| Hardware | Cisco | Sf500-24 | - | All | All | All |
| Hardware | Cisco | Sf500-24p | - | All | All | All |
| Operating System | Cisco | Sf500-24p Firmware | 3.0.0.61 | All | All | All |
| Operating System | Cisco | Sf500-24 Firmware | 3.0.0.61 | All | All | All |
| Hardware | Cisco | Sf500-48 | - | All | All | All |
| Hardware | Cisco | Sf500-48mp | - | All | All | All |
| Operating System | Cisco | Sf500-48mp Firmware | 3.0.0.61 | All | All | All |
| Operating System | Cisco | Sf500-48 Firmware | 3.0.0.61 | All | All | All |
| Hardware | Cisco | Sg500-28 | - | All | All | All |
| Hardware | Cisco | Sg500-28mpp | - | All | All | All |
| Operating System | Cisco | Sg500-28mpp Firmware | 3.0.0.61 | All | All | All |
| Hardware | Cisco | Sg500-28p | - | All | All | All |
| Operating System | Cisco | Sg500-28p Firmware | 3.0.0.61 | All | All | All |
| Operating System | Cisco | Sg500-28 Firmware | 3.0.0.61 | All | All | All |
| Hardware | Cisco | Sg500-52 | - | All | All | All |
| Hardware | Cisco | Sg500-52mp | - | All | All | All |
| Operating System | Cisco | Sg500-52mp Firmware | 3.0.0.61 | All | All | All |
| Hardware | Cisco | Sg500-52p | - | All | All | All |
| Operating System | Cisco | Sg500-52p Firmware | 3.0.0.61 | All | All | All |
| Operating System | Cisco | Sg500-52 Firmware | 3.0.0.61 | All | All | All |
| Hardware | Cisco | Sg500x-24 | - | All | All | All |
| Hardware | Cisco | Sg500x-24mpp | - | All | All | All |
| Operating System | Cisco | Sg500x-24mpp Firmware | 3.0.0.61 | All | All | All |
| Hardware | Cisco | Sg500x-24p | - | All | All | All |
| Operating System | Cisco | Sg500x-24p Firmware | 3.0.0.61 | All | All | All |
| Operating System | Cisco | Sg500x-24 Firmware | 3.0.0.61 | All | All | All |
| Hardware | Cisco | Sg500x-48 | - | All | All | All |
| Hardware | Cisco | Sg500x-48mpp | - | All | All | All |
| Operating System | Cisco | Sg500x-48mpp Firmware | 3.0.0.61 | All | All | All |
| Hardware | Cisco | Sg500x-48p | - | All | All | All |
| Operating System | Cisco | Sg500x-48p Firmware | 3.0.0.61 | All | All | All |
| Operating System | Cisco | Sg500x-48 Firmware | 3.0.0.61 | All | All | All |
| Application | Ieee | Ieee 802.2 | All | All | All | All |
| Application | Ietf | P802.1q | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| 20220927 Vulnerabilities in Layer 2 Network Security Controls Affecting Cisco Products: September 2022 | CISCO | tools.cisco.com | |
| IEEE SA - IEEE/ISO 802.2-1989 | CONFIRM | standards.ieee.org | |
| VU#855201 - L2 network security controls can be bypassed using VLAN 0 stacking and/or 802.3 headers | MISC | kb.cert.org | |
| draft-ietf-v6ops-ra-guard-08 - IPv6 Router Advertisement Guard | CONFIRM | datatracker.ietf.org | |
| Layer 2 network security bypass using VLAN 0, LLC/SNAP headers and invalid length | blog.champtar.fr | MISC | blog.champtar.fr | |
| IEEE SA - IEEE P802.1Q | CONFIRM | standards.ieee.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
LEGACY: Etienne Champetier (@champtar) <[email protected]>
Legacy QID Mappings
- 317246 Cisco Small Business Switches Bypass Configured First-hop Security (FHS) Vulnerability (cisco-sa-VU855201-J3z8CKTX)
- 317249 Cisco Nexus Operating System (NX-OS) Software Switches Bypass Configured First-hop Security (FHS) Vulnerability (cisco-sa-VU855201-J3z8CKTX)
- 317251 Cisco Industrial Ethernet Switches Bypass Configured First-hop Security (FHS) Vulnerability (cisco-sa-VU855201-J3z8CKTX)
- 317252 Cisco Catalyst 6500 and 6800 Series Switches Bypass Configured First-hop Security (FHS) Vulnerability (cisco-sa-VU855201-J3z8CKTX)
- 317262 Cisco Catalyst 4500 Internetwork Operating System (IOS) -XE Switches Bypass Configured First-hop Security (FHS) Vulnerability (cisco-sa-VU855201-J3z8CKTX)
- 317263 Cisco Internetwork Operating System (IOS) XE Switches Bypass Configured First-hop Security (FHS) Vulnerability (cisco-sa-VU855201-J3z8CKTX)
- 317264 Cisco Internetwork Operating System (IOS) XE Switches Bypass Configured First-hop Security (FHS) Vulnerability (cisco-sa-VU855201-J3z8CKTX) (CSCwb01481)
- 43997 Arista EOS Multiple Vulnerabilities (SA0080)