CVE-2012-2686 json
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 r…
published 2013-02-08 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-2668
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 39.6%
- EPSS 39.6% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Metasploit
Summary
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.
Patch / fix
- openssl Debian 14, Debian 13, Debian 12 1.0.1e-1
debian advisories DEBIAN-CVE-2012-2686
- openssl-1_1 openSUSE Tumbleweed 1.1.1l-1.2
opensuse advisories openSUSE-SU-2024:11127-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2012-2686 updated cvss 5.0
openssl: DoS due to improper handling of CBC ciphersuites in TLS 1.1/1.2 on AES-NI supporting platforms
-
Red Hat Enterprise Linux 5 openssl, openssl097a Red Hat Enterprise Linux 6 openssl, openssl098e, openssl-perlnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Timeline
- First public exploit (Metasploit auxiliary/dos/ssl/openssl_aesni)
- Published
Exploit prediction
39.59% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit auxiliary/dos/ssl/openssl_aesni OpenSSL TLS 1.1 and 1.2 AES-NI DoS metasploit auxiliary, normal rank, 2013-02-05
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-310 Cryptographic Issues
- Technology feeds
References
-
marc.info
/?l=bugtraq&m=137545771702053&w=2
vendor-advisory
-
lists.apple.com
/archives/security-announce/2013/Sep/msg00002.html
vendor-advisory
-
openssl.org
/news/secadv_20130204.txt
vendor-advisory
-
securityfocus.com
/bid/57755
vdb-entry
-
secunia.com
/advisories/55139
third-party-advisory
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18868
vdb-entry, signature
- git.openssl.org /gitweb/?p=openssl.git%3Ba=commit%3Bh=125093b59f3c2a2d33785b5563d929d0472f1721
- support.hpe.com /hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c03883001
-
secunia.com
/advisories/55108
third-party-advisory
- bugzilla.redhat.com /show_bug.cgi?id=908029
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19660
vdb-entry, signature
- support.apple.com /kb/HT5880
Sources
- CVE List CVE-2012-2686
- NVD CVE-2012-2686
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.