CVE-2017-9148

The TLS session cache in FreeRADIUS 2.1.1 through 2.1.7, 3.0.x before 3.0.14, 3.1.x before 2017-02-04, and 4.0.x before 2017-02-04 fails to reliably prevent resumption of an unauthenticated session, which allows remote attackers (such as malicious 802.1X supplicants) to bypass authentication via PEAP or TTLS.

• CWE-287

• http://freeradius.org/security.htmlNot Applicable
• http://seclists.org/oss-sec/2017/q2/422Mailing List, VDB Entry
• http://www.securityfocus.com/bid/98734Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038576
• https://access.redhat.com/errata/RHSA-2017:1581
• https://security.gentoo.org/glsa/201706-27
• http://freeradius.org/security.htmlNot Applicable
• http://seclists.org/oss-sec/2017/q2/422Mailing List, VDB Entry
• http://www.securityfocus.com/bid/98734Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038576
• https://access.redhat.com/errata/RHSA-2017:1581
• https://security.gentoo.org/glsa/201706-27

Published

May 29, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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