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CVE-2012-2686
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…
Medium5.0EPSS 39.6%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Timeline
ID reserved
By redhat
- 9 months later
· 9 months later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 39.6% · top 1.4% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (12)
- 57755 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 55139 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.openssl.org/news/secadv_20130204.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- oval:org.mitre.oval:def:18868 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=125093b59f3c2a2d33785b5563d929d0472f1721 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SSRT101289 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c03883001 (opens in a new tab)x_refsource_CONFIRMx_transferred
- APPLE-SA-2013-09-12-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- 55108 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=908029 (opens in a new tab)x_refsource_CONFIRMx_transferred
- oval:org.mitre.oval:def:19660 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://support.apple.com/kb/HT5880 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-2686)Record last updated .