crypto/evp/e_aes_cbc_hmac_sha1.c in the AES-NI functionality in the TLS 1.1 and 1.2 implementations in OpenSSL 1.0.1 before 1.0.1d allows remote attackers to cause a denial of service (application crash) via crafted CBC data.
CVE-2012-2686
NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 40%CVSS: —Exploit: NoneExposed: 0
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 98.4%
- KEV
- Not listed
Published
February 8, 2013
Last Modified
April 29, 2026
References (24)
- secalert@redhathttp://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=125093b59f3c2a2d33785b5563d929d0472f1721
- secalert@redhathttp://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
- secalert@redhathttp://marc.info/?l=bugtraq&m=137545771702053&w=2
- secalert@redhathttp://secunia.com/advisories/55108
- secalert@redhathttp://secunia.com/advisories/55139
- secalert@redhathttp://support.apple.com/kb/HT5880
- secalert@redhathttp://www.openssl.org/news/secadv_20130204.txt
- secalert@redhathttp://www.securityfocus.com/bid/57755
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=908029
- secalert@redhathttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18868
- secalert@redhathttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19660
- secalert@redhathttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c03883001
- af854a3a-2127-422b-91ae-364da2661108http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=125093b59f3c2a2d33785b5563d929d0472f1721
- af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
- af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=137545771702053&w=2
Frequently asked(4)
What is CVE-2012-2686?
CVE-2012-2686 is a none vulnerability published on February 8, 2013. crypto/evp/eaescbchmacsha1.c in the AES-NI functionality in the TLS 1.1 and 1.2 implementations in OpenSSL 1.0.1 before 1.0.1d allows remote attackers to cause a denial of service (application crash) via crafted CBC data.
When was CVE-2012-2686 disclosed?
CVE-2012-2686 was first published in the National Vulnerability Database on February 8, 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-2012-2686 actively exploited?
CVE-2012-2686 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-2686?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-2686, 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
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