CVE-2004-2593

Buffer overflow in command-packet processing of Quake II server before R1Q2, as used in multiple products, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a packet with a long cmd_args buffer.

Published: 2004-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-2593 is rated Moderate Risk (61.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.78%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2004-2593

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 2.79% 3.78% +1.00%
2 2025-03-29 3.78% 2.79% -1.00%
3 2025-03-17 — 3.78% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-2593

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2004-2593

Affected software / configurations for CVE-2004-2593

Vendor Product Version Raw CPE
id_software quake_ii_server 3.20 cpe:2.3:a:id_software:quake_ii_server:3.20:*:*:*:*:*:*:*
id_software quake_ii_server 3.21 cpe:2.3:a:id_software:quake_ii_server:3.21:*:*:*:*:*:*:*

References for CVE-2004-2593

cvelogic Threat Intelligence