CVE-2012-2686: openssl Cryptographic Issues
Vulnerability summary
CVE-2012-2686 is a medium (CVSS 5.0) Cryptographic Issues vulnerability in openssl. EPSS estimates a 39.59% chance of exploitation in the next 30 days, higher than 98.6% of scored vulnerabilities. 1 public exploit is recorded.
Weaponized exploit (Metasploit, 05-02-2013)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 08-02-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
39.59%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
No change 0.00 pp
From 39.59% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundOpenSSL TLS 1.1 and 1.2 AES-NI DoS
auxiliary/dos/ssl/openssl_aesni
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- openssl< 1.0.1e-1
Openssl1 product
- opensslEOL1.0.1 | 1.0.1a | 1.0.1b | 1.0.1c
2 vendors · 2 products
References
13 links- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18868VDB EntrySignatureX Refsource OVAL
- bugzilla.redhat.com/show_bug.cgi?id=908029X Refsource CONFIRM
Show all 13 references
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19660VDB EntrySignatureX Refsource OVAL
- support.apple.com/kb/HT5880X Refsource CONFIRM
