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.
CVE-2012-5717
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 1%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 67.2%
- KEV
- Not listed
Published
January 18, 2013
Last Modified
April 29, 2026
References (2)
- psirt@ciscohttp://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-5717
- af854a3a-2127-422b-91ae-364da2661108http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-5717
Data Freshness Timeline
(refreshed 7× in last 7d / 36× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(4)
What is CVE-2012-5717?
CVE-2012-5717 is a none vulnerability published on January 18, 2013. 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.
When was CVE-2012-5717 disclosed?
CVE-2012-5717 was first published in the National Vulnerability Database on January 18, 2013, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-5717 actively exploited?
CVE-2012-5717 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-5717?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-5717, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2012-5717
Is Your Infrastructure Affected by CVE-2012-5717?
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