CVE-2012-5717

Cisco Adaptive Security Appliances (ASA) devices with firmware 8.x through 8.4(1) do not properly manage SSH sessions, which allows remote authenticated users to cause a denial of service (device crash) by establishing multiple sessions, aka Bug ID CSCtc59462.

Published: 2013-01-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-5717 is rated Moderate Risk (49.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.31%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-5717

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.34% 1.31% +0.97%
2 2025-03-17 0.10% 0.34% +0.24%
3 2023-03-07 — 0.10% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-5717

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.3 2.0 MEDIUM
AV:N/AC:M/Au:S/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 6.8 6.9 [email protected]

Weakness enumeration for CVE-2012-5717

Affected software / configurations for CVE-2012-5717

Vendor Product Version Raw CPE
cisco adaptive_security_appliance_software 8.0 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.0\(2\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0\(2\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.0\(3\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0\(3\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.0\(4\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0\(4\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.0\(5\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0\(5\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.0.2 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.2:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.0.3 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.3:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.0.4 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.4:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.0.5 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.5:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.1 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.1:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2\(1\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(1\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2\(2\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(2\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2\(3\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2\(3.9\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3.9\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2\(4\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2\(4.1\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.1\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2\(4.4\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.4\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2\(5\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(5\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2.1 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.1:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2.2 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2.2 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:interim:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.2.3 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.3:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.3\(1\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(1\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.3\(2\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(2\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.3.1 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.1:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.3.1 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.1:interim:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.3.2 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.2:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.4 cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 8.4\(1\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(1\):*:*:*:*:*:*:*
cisco adaptive_security_appliance — cpe:2.3:h:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:*
cisco asa_1000v_cloud_firewall — cpe:2.3:h:cisco:asa_1000v_cloud_firewall:-:*:*:*:*:*:*:*
cisco asa_5500 — cpe:2.3:h:cisco:asa_5500:*:*:*:*:*:*:*:*

References for CVE-2012-5717

cvelogic Threat Intelligence