Vulnerability in OpenSSL
CVE-2011-3210
The ephemeral ECDH ciphersuite functionality in OpenSSL 0.9.8 through 0.9.8r and 1.0.x before 1.0.0e does not ensure thread safety during processing of handshake messages from clients, which allows remote attackers to cause a denial of service (daemon crash) via out-of-order messages that violate the TLS protocol.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.046 (91.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000
Affected products
- OpenSSL — versions 0.9.8, 0.9.8a, 0.9.8b
Weakness classification (CWE)
Public proof-of-concept exploits
References
- marc.info/ (vendor-advisory)
- www-01.ibm.com/support/docview.wss
- www.mandriva.com/security/advisories (vendor-advisory)
- support.apple.com/kb/HT5784
- lists.apple.com/archives/security-announce/2013/Jun/msg00000.html (vendor-advisory)
- www.securitytracker.com/id (vdb-entry)
- marc.info/ (vendor-advisory)
- openssl.org/news/secadv_20110906.txt (Vendor Advisory)
- cvs.openssl.org/chngview (Patch)
- secunia.com/advisories/57353 (third-party-advisory)
Frequently asked questions
- What is CVE-2011-3210?
- CVE-2011-3210 is a vulnerability in OpenSSL, classified under CWE-399. Published 2011-09-22.
- Is CVE-2011-3210 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.