CVE-2016-6473
Summary
| CVE | CVE-2016-6473 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-12-14 00:59:12 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | A vulnerability in Cisco IOS on Catalyst Switches and Nexus 9300 Series Switches could allow an unauthenticated, adjacent attacker to cause a Layer 2 network storm. More Information: CSCuu69332, CSCux07028. Known Affected Releases: 15.2(3)E. Known Fixed Releases: 12.2(50)SE4 12.2(50)SE5 12.2(50)SQ5 12.2(50)SQ6 12.2(50)SQ7 12.2(52)EY4 12.2(52)SE1 12.2(53)EX 12.2(53)SE 12.2(53)SE1 12.2(53)SE2 12.2(53)SG10 12.2(53)SG11 12.2(53)SG2 12.2(53)SG9 12.2(54)SG1 12.2(55)EX3 12.2(55)SE 12.2(55)SE1 12.2(55)SE10 12.2(55)SE2 12.2(55)SE3 12.2(55)SE4 12.2(55)SE5 12.2(55)SE6 12.2(55)SE7 12.2(55)SE8 12.2(55)SE9 12.2(58)EZ 12.2(58)SE1 12.2(58)SE2 12.2(60)EZ 12.2(60)EZ1 12.2(60)EZ2 12.2(60)EZ3 12.2(60)EZ4 12.2(60)EZ5 12.2(60)EZ6 12.2(60)EZ7 12.2(60)EZ8 15.0(1)EY2 15.0(1)SE 15.0(1)SE2 15.0(1)SE3 15.0(2)EA 15.0(2)EB 15.0(2)EC 15.0(2)ED 15.0(2)EH 15.0(2)EJ 15.0(2)EJ1 15.0(2)EK1 15.0(2)EX 15.0(2)EX1 15.0(2)EX3 15.0(2)EX4 15.0(2)EX5 15.0(2)EY 15.0(2)EY1 15.0(2)EY2 15.0(2)EZ 15.0(2)SE 15.0(2)SE1 15.0(2)SE2 15.0(2)SE3 15.0(2)SE4 15.0(2)SE5 15.0(2)SE6 15.0(2)SE7 15.0(2)SE9 15.0(2)SG10 15.0(2)SG3 15.0(2)SG6 15.0(2)SG7 15.0(2)SG8 15.0(2)SG9 15.0(2a)EX5 15.1(2)SG 15.1(2)SG1 15.1(2)SG2 15.1(2)SG3 15.1(2)SG4 15.1(2)SG5 15.1(2)SG6 15.2(1)E 15.2(1)E1 15.2(1)E2 15.2(1)E3 15.2(1)EY 15.2(2)E 15.2(2)E3 15.2(2b)E. |
Risk And Classification
Primary CVSS: v3.0 6.5 MEDIUM from [email protected]
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.002080000 probability, percentile 0.428910000 (date 2026-05-11)
Problem Types: CWE-74 | CWE-399 | unspecified
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 6.5 | MEDIUM | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 6.1 | AV:A/AC:L/Au:N/C:N/I:N/A:C |
CVSS v3.0 Breakdown
Attack Vector
AdjacentAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
AdjacentAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:A/AC:L/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Cisco | Ios | 15.0\(2\)se8 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(2a\)e1 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(2\)e1 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(2\)e2 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3a\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3\)e1 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco IOS Software CVE-2016-6473 Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| Cisco IOS Frame Forwarding Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | tools.cisco.com | Mitigation, Vendor Advisory |
| 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.
There are currently no legacy QID mappings associated with this CVE.