7.8

CVE-2011-3297: cisco firewall_services_module_software Improper Authentication

CVSS: 7.8v2.0HighModified
Published 06-10-2011Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2011-3297 is a high (CVSS 7.8) Improper Authentication vulnerability in cisco firewall_services_module_software. EPSS estimates a 1.39% chance of exploitation in the next 30 days, higher than 71.8% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
1.39%
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. 06-10-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7), when certain authentication configurations are used, allows remote attackers to cause a denial of service (module crash) by making many authentication requests for network access, aka Bug ID CSCtn15697.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.39%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.39% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.39%

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
  • firewall_services_module_software3.1 | 3.1\(2\) | 3.1\(3\) | 3.1\(4\) | 3.1\(5\) | 3.1\(6\) | 3.1\(7\) | 3.1\(8\) | 3.1\(9\) | 3.1\(10\) | 3.1\(11\) | 3.1\(12\) | 3.1\(13\) | 3.1\(14\) | 3.1\(15\) | 3.1\(16\) | 3.1\(17\) | 3.1\(18\) | 3.1\(19\) | 3.1\(20\) | 3.2 | 3.2\(1\) | 3.2\(2\) | 3.2\(3\) | 3.2\(4\) | 3.2\(5\) | 3.2\(6\) | 3.2\(7\) | 3.2\(8\) | 3.2\(9\) | 3.2\(10\) | 3.2\(11\) | 3.2\(12\) | 3.2\(13\) | 3.2\(14\) | 3.2\(15\) | 3.2\(16\) | 3.2\(17\) | 3.2\(18\) | 3.2\(19\) | 3.2\(20\) | 3.2\(21\) | 4.0 | 4.0\(1\) | 4.0\(2\) | 4.0\(3\) | 4.0\(4\) | 4.0\(5\) | 4.0\(6\) | 4.0\(7\) | 4.0\(8\) | 4.0\(10\) | 4.0\(11\) | 4.0\(12\) | 4.0\(13\) | 4.0\(14\) | 4.0\(15\) | 4.1 | 4.1\(1\) | 4.1\(2\) | 4.1\(3\) | 4.1\(4\) | 4.1\(5\) | 4.1\(6\)

1 vendor · 1 product

References

2 links