CVE-2023-20227
Summary
| CVE | CVE-2023-20227 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-09-27 18:15:00 UTC |
| Updated | 2024-01-25 17:15:00 UTC |
| Description | A vulnerability in the Layer 2 Tunneling Protocol (L2TP) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain L2TP packets. An attacker could exploit this vulnerability by sending crafted L2TP packets to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Cisco | 1000 Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 1100-4gltegb Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 1100-4gltena Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 1100-4g Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 1100-6g Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4221 Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4321/k9-rf Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4321/k9-ws Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4321/k9 Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4321 Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4331/k9-rf Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4331/k9-ws Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4331/k9 Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4331 Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4351/k9-rf Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4351/k9-ws Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4351/k9 Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4351 Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4431 Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4451 Integrated Services Router | - | All | All | All |
| Hardware | Cisco | 4461 Integrated Services Router | - | All | All | All |
| Hardware | Cisco | C8200-1n-4t | - | All | All | All |
| Hardware | Cisco | C8200l-1n-4t | - | All | All | All |
| Hardware | Cisco | C8500l-8s4x | - | All | All | All |
| Application | Cisco | Catalyst 8000v Edge | - | All | All | All |
| Hardware | Cisco | Catalyst 8300-1n1s-4t2x | - | All | All | All |
| Hardware | Cisco | Catalyst 8300-1n1s-6t | - | All | All | All |
| Hardware | Cisco | Catalyst 8300-2n2s-4t2x | - | All | All | All |
| Hardware | Cisco | Catalyst 8300-2n2s-6t | - | All | All | All |
| Application | Cisco | Cloud Services Router 1000v | - | All | All | All |
| Operating System | Cisco | Ios Xe | 16.10.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.10.1a | All | All | All |
| Operating System | Cisco | Ios Xe | 16.10.1b | All | All | All |
| Operating System | Cisco | Ios Xe | 16.10.1c | All | All | All |
| Operating System | Cisco | Ios Xe | 16.10.1d | All | All | All |
| Operating System | Cisco | Ios Xe | 16.10.1e | All | All | All |
| Operating System | Cisco | Ios Xe | 16.10.1f | All | All | All |
| Operating System | Cisco | Ios Xe | 16.10.1g | All | All | All |
| Operating System | Cisco | Ios Xe | 16.10.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 16.10.2 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.10.3 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.11.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.11.1a | All | All | All |
| Operating System | Cisco | Ios Xe | 16.11.1b | All | All | All |
| Operating System | Cisco | Ios Xe | 16.11.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 16.11.2 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1a | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1c | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1t | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1w | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1x | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1y | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1z1 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.1z2 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.2 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.2a | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.3 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.4 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.4a | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.5 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.5a | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.6 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.6a | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.7 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.12.8 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.8.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.8.1a | All | All | All |
| Operating System | Cisco | Ios Xe | 16.8.1b | All | All | All |
| Operating System | Cisco | Ios Xe | 16.8.1c | All | All | All |
| Operating System | Cisco | Ios Xe | 16.8.1d | All | All | All |
| Operating System | Cisco | Ios Xe | 16.8.1e | All | All | All |
| Operating System | Cisco | Ios Xe | 16.8.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 16.8.2 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.8.3 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.1a | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.1b | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.2 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.3 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.4 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.5 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.5f | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.6 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.7 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.9.8 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.1.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.1.1a | All | All | All |
| Operating System | Cisco | Ios Xe | 17.1.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 17.1.1t | All | All | All |
| Operating System | Cisco | Ios Xe | 17.1.3 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.2.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.2.1a | All | All | All |
| Operating System | Cisco | Ios Xe | 17.2.1r | All | All | All |
| Operating System | Cisco | Ios Xe | 17.2.1v | All | All | All |
| Operating System | Cisco | Ios Xe | 17.2.2 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.2.3 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.1a | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.1w | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.1x | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.1z | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.2 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.2a | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.3 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.4 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.4a | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.4c | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.5 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.5a | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.5b | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.6 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.3.7 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.4.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.4.1a | All | All | All |
| Operating System | Cisco | Ios Xe | 17.4.1b | All | All | All |
| Operating System | Cisco | Ios Xe | 17.4.2 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.4.2a | All | All | All |
| Operating System | Cisco | Ios Xe | 17.5.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 17.5.1a | All | All | All |
| Operating System | Cisco | Ios Xe | 17.5.1b | All | All | All |
| Operating System | Cisco | Ios Xe | 17.5.1c | All | All | All |
| Hardware | Cisco | Vg400-2fxs/2fxo | - | All | All | All |
| Hardware | Cisco | Vg400-4fxs/4fxo | - | All | All | All |
| Hardware | Cisco | Vg400-6fxs/6fxo | - | All | All | All |
| Hardware | Cisco | Vg400-8fxs | - | All | All | All |
| Hardware | Cisco | Vg420-132fxs/6fxo | - | All | All | All |
| Hardware | Cisco | Vg420-144fxs | - | All | All | All |
| Hardware | Cisco | Vg420-84fxs/6fxo | - | All | All | All |
| Hardware | Cisco | Vg450-144fxs/k9 | - | All | All | All |
| Hardware | Cisco | Vg450-72fxs/k9 | - | All | All | All |
| Hardware | Cisco | Vg450/k9 | - | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco IOS XE Software Layer 2 Tunneling Protocol Denial of Service Vulnerability | MISC | sec.cloudapps.cisco.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 317367 Cisco Internetwork Operating System (IOS) XE Software Denial of Service (DoS) Vulnerability (cisco-sa-ios-xe-l2tp-dos-eB5tuFmV)