SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2004-2597

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…

MEDIUM 5.0EPSS 1.65%

Does this matter?

Lower severity and a low EPSS score (1.65%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS
1.65% probability · 76th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
id software/quake ii server
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.65%26 October 202626 October 2026

EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.