4.3

CVE-2013-6694: cisco ios Improper Input Validation

CVSS: 4.3v2.0MediumModified
Published 22-11-2013Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2013-6694 is a medium (CVSS 4.3) Improper Input Validation vulnerability in cisco ios. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.9% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
1.08%
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. 22-11-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The IPSec implementation in Cisco IOS allows remote attackers to cause a denial of service (MTU change and tunnel-session drop) via crafted ICMP packets, aka Bug ID CSCul29918.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.08%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.08% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.08%

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