CVE-2004-1052

Buffer overflow in the getnickuserhost function in BNC 2.8.9, and possibly other versions, allows remote IRC servers to execute arbitrary code via an IRC server response that contains many (1) ! (exclamation) or (2) @ (at sign) characters.

Published: 2005-03-01 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-1052 is rated High Risk (65.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.47%). High exploitation likelihood—assess exposure and prioritize 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-2004-1052

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 3.66% 1.47% -2.19%
2 2025-03-29 1.47% 3.66% +2.19%
3 2025-03-19 — 1.47% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1052

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2004-1052

Affected software / configurations for CVE-2004-1052

Vendor Product Version Raw CPE
bnc bnc 2.2.4 cpe:2.3:a:bnc:bnc:2.2.4:*:*:*:*:*:*:*
bnc bnc 2.4.6 cpe:2.3:a:bnc:bnc:2.4.6:*:*:*:*:*:*:*
bnc bnc 2.4.8 cpe:2.3:a:bnc:bnc:2.4.8:*:*:*:*:*:*:*
bnc bnc 2.6 cpe:2.3:a:bnc:bnc:2.6:*:*:*:*:*:*:*
bnc bnc 2.6.2 cpe:2.3:a:bnc:bnc:2.6.2:*:*:*:*:*:*:*
bnc bnc 2.6.4 cpe:2.3:a:bnc:bnc:2.6.4:*:*:*:*:*:*:*
bnc bnc 2.8.8 cpe:2.3:a:bnc:bnc:2.8.8:*:*:*:*:*:*:*
bnc bnc 2.8.9 cpe:2.3:a:bnc:bnc:2.8.9:*:*:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:alpha:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:arm:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:hppa:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:ia-32:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:ia-64:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:m68k:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:mips:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:mipsel:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:ppc:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:s-390:*:*:*:*:*
debian debian_linux 3.0 cpe:2.3:o:debian:debian_linux:3.0:*:sparc:*:*:*:*:*
gentoo linux — cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:*

References for CVE-2004-1052

cvelogic Threat Intelligence