Vulnerability Name:

CVE-2013-1193 (CCN-83391)

Assigned:2013-04-12
Published:2013-04-12
Updated:2013-04-16
Summary: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.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2013-1193

Source: CCN
Type: SA52989
Cisco ASA Software SSH Denial of Service Vulnerability

Source: CCN
Type: SA53040
Cisco Firewall Services Module SSH Denial of Service Vulnerability

Source: CCN
Type: Cisco Security Notice
Secure Shell Denial of Service Vulnerability

Source: CISCO
Type: Vendor Advisory
20130412 Secure Shell Denial of Service Vulnerability

Source: CCN
Type: BID-59043
Multiple Cisco Products CVE-2013-1193 Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
cisco-asa-cve20131193-dos(83391)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:adaptive_security_appliance_software:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:firewall_services_module:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:cisco:firewall_services_module_software:4.1(5):*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco adaptive security appliance software -
    cisco firewall services module -
    cisco firewall services module software 4.1(5)