CVE-2004-2163

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2004-12-31 · updated 2026-06-16

Description

login_radius on OpenBSD 3.2, 3.5, and possibly other versions does not verify the shared secret in a response packet from a RADIUS server, which allows remote attackers to bypass authentication by spoofing server replies.

Affected products

OpenBSD: 3.2, 3.4, 3.5

References

http://archives.neohapsis.com/archives/vulnwatch/2004-q3/0058.html
http://secunia.com/advisories/12617
http://www.openbsd.org/errata35.html#radius
http://www.osvdb.org/10203
http://www.reseau.nl/advisories/0400-openbsd-radius.txt
http://www.securityfocus.com/bid/11227
https://exchange.xforce.ibmcloud.com/vulnerabilities/17456
http://archives.neohapsis.com/archives/vulnwatch/2004-q3/0058.html
http://secunia.com/advisories/12617
http://www.openbsd.org/errata35.html#radius
http://www.osvdb.org/10203
http://www.reseau.nl/advisories/0400-openbsd-radius.txt

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