CVE-2004-2163
login_radius on OpenBSD 3.2, 3.5, and possibly other versions does not verify the shared secret...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2004-2163- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2004-2163- Updated
- 2026-11-02
EUVDEUVD-2004-2155 No score
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.
- Record
EUVD-2004-2155- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vpvq-r8h3-q5hv No score
login_radius on OpenBSD 3.2, 3.5, and possibly other versions does not verify the shared secret...
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.
- Record
GHSA-vpvq-r8h3-q5hv- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2004-2163 is a high vulnerability (CVSS 7.5) in Openbsd, published December 31, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.70%, the 77th percentile. No source names a fixed version.
References
archives.neohapsis.com/archives/vulnwatch/2004-q3/0058.html
openbsd.org/errata35.html
securityfocus.com/bid/11227
reseau.nl/advisories/0400-openbsd-radius.txt
exchange.xforce.ibmcloud.com/vulnerabilities/17456
osvdb.org/10203
secunia.com/advisories/12617
nvd.nist.gov/vuln/detail/CVE-2004-2163
github.com/advisories/GHSA-vpvq-r8h3-q5hv