5

CVE-2013-1209: cisco nx-os Improper Authentication

CVSS: 5.0v2.0MediumModified
Published 29-05-2013Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2013-1209 is a medium (CVSS 5.0) Improper Authentication vulnerability in cisco nx-os. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 64.7% 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
1.09%
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. 29-05-2013
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

The encryption functionality in the Virtual Supervisor Module (VSM) to Virtual Ethernet Module (VEM) communication component in Cisco NX-OS on the Nexus 1000V does not properly authenticate VSM/VEM packets, which allows remote attackers to disable packet-level encryption and integrity protection via crafted packets, aka Bug ID CSCud14710.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.09%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.09% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.09%

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

1 vendor · 1 product

References

1 links