9.3

CVE-2013-3466: cisco secure_access_control_server Improper Authentication

CVSS: 9.3v2.0HighModified
Published 29-08-2013Last modified 06-08-2024

Vulnerability summary

CVE-2013-3466 is a high (CVSS 9.3) Improper Authentication vulnerability in cisco secure_access_control_server. EPSS estimates a 5.12% chance of exploitation in the next 30 days, higher than 92.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
5.12%
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. 29-08-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The EAP-FAST authentication module in Cisco Secure Access Control Server (ACS) 4.x before 4.2.1.15.11, when a RADIUS server configuration is enabled, does not properly parse user identities, which allows remote attackers to execute arbitrary commands via crafted EAP-FAST packets, aka Bug ID CSCui57636.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

5.12%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

0.00 pp

From 5.12% on 18-09-2026

18-09-202618-10-2026
EPSS score
5.12%

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
  • secure_access_control_server≤ 4.2.1.15.10 | 4.2.1.15.0 | 4.2.1.15.1 | 4.2.1.15.2 | 4.2.1.15.3 | 4.2.1.15.4 | 4.2.1.15.6 | 4.2.1.15.7 | 4.2.1.15.8 | 4.2.1.15.9

1 vendor · 1 product

References

3 links