Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2011-2701 Details

Description

The ocsp_check function in rlm_eap_tls.c in FreeRADIUS 2.1.11, when OCSP is enabled, does not properly parse replies from OCSP responders, which allows remote attackers to bypass authentication by using the EAP-TLS protocol with a revoked X.509 client certificate.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=724815	CVE	Patch
http://secunia.com/advisories/45425	CVE	Vendor Advisory
http://securityreason.com/securityalert/8325	CVE
http://securitytracker.com/id?1025833	CVE
https://exchange.xforce.ibmcloud.com/vulnerabilities/68782	CVE
https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html	CVE
http://www.openwall.com/lists/oss-security/2011/07/15/6	CVE
http://www.openwall.com/lists/oss-security/2011/07/18/2	CVE
http://www.openwall.com/lists/oss-security/2011/07/20/9	CVE
http://www.securityfocus.com/archive/1/518974/100/0/threaded	CVE
http://www.securityfocus.com/bid/48880	CVE
https://bugzilla.redhat.com/show_bug.cgi?id=724815	[email protected]	Patch
http://secunia.com/advisories/45425	[email protected]	Vendor Advisory
http://securityreason.com/securityalert/8325	[email protected]
http://securitytracker.com/id?1025833	[email protected]
https://exchange.xforce.ibmcloud.com/vulnerabilities/68782	[email protected]
https://www.dfn-cert.de/informationen/Sicherheitsbulletins/dsb-2011-01.html	[email protected]
http://www.openwall.com/lists/oss-security/2011/07/15/6	[email protected]
http://www.openwall.com/lists/oss-security/2011/07/18/2	[email protected]
http://www.openwall.com/lists/oss-security/2011/07/20/9	[email protected]
http://www.securityfocus.com/archive/1/518974/100/0/threaded	[email protected]
http://www.securityfocus.com/bid/48880	[email protected]

see all 22 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]

Affected Products

Product	Versions
freeradius freeradius	2.1.11
CPE cpe:2.3:a:freeradius:freeradius:2.1.11:::::::* Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 9, 2018	CVE Modified	[email protected]
Aug 29, 2017	CVE Modified	[email protected]
Aug 4, 2011	Initial Analysis	[email protected]