6.8

CVE-2013-6686: cisco ios Improper Input Validation

CVSS: 6.8v2.0MediumModified
Published 16-11-2013Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2013-6686 is a medium (CVSS 6.8) Improper Input Validation vulnerability in cisco ios. EPSS estimates a 1.50% chance of exploitation in the next 30 days, higher than 74% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
1.50%
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. 16-11-2013
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

The SSL VPN implementation in Cisco IOS 15.3(1)T2 and earlier allows remote authenticated users to cause a denial of service (interface queue wedge) via crafted DTLS packets in an SSL session, aka Bug IDs CSCuh97409 and CSCud90568.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.50%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

0.00 pp

From 1.50% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.50%

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
  • ios≤ 15.3 | 15.0 | 15.0\(1\)se | 15.1 | 15.2

1 vendor · 1 product

References

2 links