Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 1 product from freeradius organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2017, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2017-05-29T17:29:00.200

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	freeradius	freeradius	2.1.1	Yes
Application	freeradius	freeradius	2.1.2	Yes
Application	freeradius	freeradius	2.1.3	Yes
Application	freeradius	freeradius	2.1.4	Yes
Application	freeradius	freeradius	2.1.6	Yes
Application	freeradius	freeradius	2.1.7	Yes
Application	freeradius	freeradius	3.0.0	Yes
Application	freeradius	freeradius	3.0.1	Yes
Application	freeradius	freeradius	3.0.2	Yes
Application	freeradius	freeradius	3.0.3	Yes
Application	freeradius	freeradius	3.0.4	Yes
Application	freeradius	freeradius	3.0.5	Yes
Application	freeradius	freeradius	3.0.6	Yes
Application	freeradius	freeradius	3.0.7	Yes
Application	freeradius	freeradius	3.0.8	Yes
Application	freeradius	freeradius	3.0.9	Yes
Application	freeradius	freeradius	3.1.0	Yes
Application	freeradius	freeradius	3.1.1	Yes
Application	freeradius	freeradius	3.1.2	Yes
Application	freeradius	freeradius	3.1.3	Yes
Application	freeradius	freeradius	4.0.0	Yes

References

http://freeradius.org/security.html Not Applicable ([email protected])
http://seclists.org/oss-sec/2017/q2/422 Mailing List, VDB Entry ([email protected])
http://www.securityfocus.com/bid/98734 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1038576 ([email protected])
https://access.redhat.com/errata/RHSA-2017:1581 ([email protected])
https://security.gentoo.org/glsa/201706-27 ([email protected])
http://freeradius.org/security.html Not Applicable (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/oss-sec/2017/q2/422 Mailing List, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/98734 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1038576 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:1581 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201706-27 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For freeradius's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.