5

CVE-2013-5566: cisco nx-os

CVSS: 5.0v2.0MediumModified
Published 08-11-2013Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2013-5566 is a medium (CVSS 5.0) vulnerability in cisco nx-os. EPSS estimates a 1.90% chance of exploitation in the next 30 days, higher than 79.3% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
1.90%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-11-2013
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

Cisco NX-OS 5.0 and earlier on MDS 9000 devices allows remote attackers to cause a denial of service (supervisor CPU consumption) via Authentication Header (AH) authentication in a Virtual Router Redundancy Protocol (VRRP) frame, aka Bug ID CSCte27874.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.90%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

0.00 pp

From 1.90% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.90%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco1 product
  • nx-os≤ 5.0 | 4.0 | 4.0\(0\)n1\(1a\) | 4.0\(0\)n1\(2\) | 4.0\(0\)n1\(2a\) | 4.0\(1a\)n1\(1\) | 4.0\(1a\)n1\(1a\) | 4.0\(1a\)n2\(1\) | 4.0\(1a\)n2\(1a\) | 4.0\(4\)sv1\(1\) | 4.0\(4\)sv1\(2\) | 4.0\(4\)sv1\(3\) | 4.0\(4\)sv1\(3a\) | 4.0\(4\)sv1\(3b\) | 4.0\(4\)sv1\(3c\) | 4.0\(4\)sv1\(3d\) | 4.1\(3\)n1\(1\) | 4.1\(3\)n1\(1a\) | 4.1\(3\)n2\(1\) | 4.1\(3\)n2\(1a\) | 4.1.\(2\) | 4.1.\(3\) | 4.1.\(4\) | 4.1.\(5\) | 4.2 | 4.2\(1\) | 4.2\(1\)n1\(1\) | 4.2\(1\)n2\(1\) | 4.2\(1\)n2\(1a\) | 4.2\(1\)sv1\(4\) | 4.2\(1\)sv1\(4a\) | 4.2\(1\)sv1\(5.1\) | 4.2\(2\) | 4.2\(3\) | 4.2\(4\) | 4.2\(6\) | 4.2\(8\) | 4.2.\(2a\)

1 vendor · 1 product

References

2 links