CVE-2004-2163

Name: CVE-2004-2163
Creator: NVD / NIST
Published: 2004-12-31T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.70%

Last modified Jun 16, 2026

CVE-2004-2163 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.70% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.70%

74.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Openbsd	Openbsd	3.2
Openbsd	Openbsd	3.4
Openbsd	Openbsd	3.5

References

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

Timeline

Published: Dec 31, 2004
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2004-2163?

How severe is CVE-2004-2163?

Severity scoring for CVE-2004-2163 is pending analysis. The EPSS model estimates a 1.70% probability of exploitation in the next 30 days.

How do I fix CVE-2004-2163?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2004-2163?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST