How severe is CVE-2013-1155?

CVE-2013-1155 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2013-1155 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1155?

CVE-2013-1155 primarily affects Cisco Firewall Services Module Software. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1155?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-1155 published?

CVE-2013-1155 was published on 2013-04-11 and last updated on 2026-06-16.

CVE-2013-1155

CVE-2013-1155 is a high-severity vulnerability in Cisco Firewall Services Module Software with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Firewall Services Module Software
Published: 2013-04-11
Last modified: 2026-06-16

Description

The auth-proxy functionality in Cisco Firewall Services Module (FWSM) software 3.1 and 3.2 before 3.2(20.1), 4.0 before 4.0(15.2), and 4.1 before 4.1(5.1) allows remote attackers to cause a denial of service (device reload) via a crafted URL, aka Bug ID CSCtg02624.

Frequently asked questions

What is CVE-2013-1155?: The auth-proxy functionality in Cisco Firewall Services Module (FWSM) software 3.1 and 3.2 before 3.2(20.1), 4.0 before 4.0(15.2), and 4.1 before 4.1(5.1) allows remote attackers to cause a denial of service (device reload) via a crafted URL, aka Bug ID CSCtg02624.
How severe is CVE-2013-1155?: CVE-2013-1155 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2013-1155 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1155?: CVE-2013-1155 primarily affects Cisco Firewall Services Module Software. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1155?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-1155 published?: CVE-2013-1155 was published on 2013-04-11 and last updated on 2026-06-16.

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130410-fwsm

Affected products (43)

cpe:2.3:a:cisco:firewall_services_module_software:3.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(2\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(3\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(4\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(5\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(6\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(7\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(8\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(9\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(10\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(11\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(12\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(13\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(14\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(15\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(16\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(17\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(18\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(19\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:3.2\(20\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(2\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(3\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(4\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(5\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(6\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(7\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(8\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(10\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(11\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(12\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(13\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(14\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.0\(15\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.1\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:firewall_services_module_software:4.1\(2\):*:*:*:*:*:*:*

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