How severe is CVE-2013-1193?

CVE-2013-1193 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-1193 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1193?

CVE-2013-1193 primarily affects Cisco Firewall Services Module. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1193?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-1193 published?

CVE-2013-1193 was published on 2013-04-16 and last updated on 2026-06-16.

CVE-2013-1193

CVE-2013-1193 is a medium-severity vulnerability in Cisco Firewall Services Module with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Firewall Services Module
Published: 2013-04-16
Last modified: 2026-06-16

Description

The Secure Shell (SSH) implementation on Cisco Adaptive Security Appliances (ASA) devices, and in Cisco Firewall Services Module (FWSM), does not properly terminate sessions, which allows remote attackers to cause a denial of service (SSH service outage) by repeatedly establishing SSH connections, aka Bug IDs CSCue63881, CSCuf51892, CSCue78671, and CSCug26937.

Frequently asked questions

What is CVE-2013-1193?: The Secure Shell (SSH) implementation on Cisco Adaptive Security Appliances (ASA) devices, and in Cisco Firewall Services Module (FWSM), does not properly terminate sessions, which allows remote attackers to cause a denial of service (SSH service outage) by repeatedly establishing SSH connections, aka Bug IDs CSCue63881, CSCuf51892, CSCue78671, and CSCug26937.
How severe is CVE-2013-1193?: CVE-2013-1193 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-1193 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1193?: CVE-2013-1193 primarily affects Cisco Firewall Services Module. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1193?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-1193 published?: CVE-2013-1193 was published on 2013-04-16 and last updated on 2026-06-16.

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1193

Affected products (2)

cpe:2.3:h:cisco:firewall_services_module:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:-:*:*:*:*:*:*:*

More vulnerabilities in Cisco Firewall Services Module

CVE-2007-0968 — Critical (CVSS 9.0): Unspecified vulnerability in Cisco Firewall Services Module (FWSM) before 2.3(4.7) and 3.x before 3.1(3.1) causes the…
CVE-2012-0356 — High (CVSS 7.8): Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst…
CVE-2011-0394 — High (CVSS 7.8): Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 7.0 before 7.0(8.11), 7.1 and 7.2 before…
CVE-2010-2820 — High (CVSS 7.8): Unspecified vulnerability in the SunRPC inspection feature on the Cisco Firewall Services Module (FWSM) with software…
CVE-2010-2819 — High (CVSS 7.8): Unspecified vulnerability in the SunRPC inspection feature on the Cisco Firewall Services Module (FWSM) with software…
CVE-2010-2818 — High (CVSS 7.8): Unspecified vulnerability in the SunRPC inspection feature on the Cisco Firewall Services Module (FWSM) with software…

All CVEs affecting Cisco Firewall Services Module →