Unrated severityNVD Advisory· Published Apr 16, 2013· Updated Jun 16, 2026

CVE-2013-1193

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Firewall Services Module2 versions
cpe:2.3:h:cisco:firewall_services_module:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:h:cisco:firewall_services_module:-:*:*:*:*:*:*:*
- (no CPE)
Cisco Systems, Inc./Cisco Adaptive Security Appliance
cpe:2.3:o:cisco:adaptive_security_appliance_software:-:*:*:*:*:*:*:*
Cisco Systems, Inc./Adaptive Security Appliance (ASA) Softwarellm-create

Patches

Vulnerability mechanics

References

tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1193nvdVendor Advisory

News mentions

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