CVE-2011-3207: openssl
Vulnerability summary
CVE-2011-3207 is a medium (CVSS 5.0) vulnerability in openssl. EPSS estimates a 4.36% chance of exploitation in the next 30 days, higher than 91.2% of scored vulnerabilities.
Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 22-09-2011PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain structure members, which makes it easier for remote attackers to bypass CRL validation by using a nextUpdate value corresponding to a time in the past.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
4.36%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.36% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Redhat5 products
- openssl< 0:1.0.0-10.el6_1.5
- openssl-debuginfo< 0:1.0.0-10.el6_1.5
- openssl-devel< 0:1.0.0-10.el6_1.5
- openssl-perl< 0:1.0.0-10.el6_1.5
- openssl-static< 0:1.0.0-10.el6_1.5
Debian1 product
- openssl< 1.0.0e-1
Openssl1 product
- opensslEOL1.0.0 | 1.0.0:beta1 | 1.0.0:beta2 | 1.0.0:beta3 | 1.0.0:beta4 | 1.0.0:beta5 | 1.0.0a | 1.0.0b | 1.0.0c | 1.0.0d
3 vendors · 7 products
References
23 links- www-01.ibm.com/support/docview.wss?uid=ssg1S1004564X Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2011-September/065744.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2011-September/065712.htmlVendor AdvisoryX Refsource FEDORA
- support.apple.com/kb/HT5784X Refsource CONFIRM