Quake II server before R1Q2, as used in multiple products, allows remote attackers to bypass IP-based access control rules via a userinfo…

Description

Quake II server before R1Q2, as used in multiple products, allows remote attackers to bypass IP-based access control rules via a userinfo string that already contains an "ip" key/value pair but is also long enough to cause a new key/value pair to be truncated, which interferes with the server's ability to find the client's IP address.

Scores

EPSS (exploitation in 30 days)

1.6% · top 24% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (8)

• http://web.archive.org/web/20041130092749/www.r1ch.net/stuff/r1q2/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1011979 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 11551 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 11186 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• 13013 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://secur1ty.net/advisories/001 (opens in a new tab)x_refsource_MISCx_transferred
• quake-ip-spoofing(17895) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 20041027 Multiple Vulnerabilites in Quake II Server (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2004-2597](https://trackcve.app/badge/CVE-2004-2597.svg)](https://trackcve.app/cve/CVE-2004-2597)

Record last updated 8 Aug 2024, 01:29 UTC.