CVE DATABASE / CVE-2004-2163
CVE-2004-2163
CVSS 7.5 · HIGH
Summary
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.
CVSS 2.0 breakdown
| Base score | 7.5 (HIGH) |
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Confidentiality | PARTIAL |
| Integrity | PARTIAL |
| Availability | PARTIAL |
Affected products
Openbsd openbsd
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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
Data: NIST NVD. NVD last modified 2026-04-16. Always verify against the vendor advisory before acting.