{"id":"CVE-2011-3207","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-3207","generatedAt":"2026-10-27T19:43:38.046Z","title":"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.","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.","published":"2011-09-22T10:55:03.000Z","lastModified":"2026-06-16T23:32:53.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N"},"cwe":["CWE-264"],"affected":["openssl/openssl"],"epss":{"score":0.04359,"percentile":0.91176,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (4.36%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://cvs.openssl.org/chngview?cn=21349","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065712.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065744.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=133226187115472&w=2","source":"secalert@redhat.com"},{"url":"http://openssl.org/news/secadv_20110906.txt","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/45956","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/57353","source":"secalert@redhat.com"},{"url":"http://support.apple.com/kb/HT5784","source":"secalert@redhat.com"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:137","source":"secalert@redhat.com"},{"url":"http://www.redhat.com/support/errata/RHSA-2011-1409.html","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id?1026012","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=736087","source":"secalert@redhat.com"},{"url":"http://cvs.openssl.org/chngview?cn=21349","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065712.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065744.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=133226187115472&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://openssl.org/news/secadv_20110906.txt","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/45956","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/57353","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.apple.com/kb/HT5784","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:137","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2011-1409.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1026012","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=736087","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-3207","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}