CVE-2004-0623

CRITICAL

Format string vulnerability in misc.c in GNU GNATS 4.00 may allow remote attackers to execute arbitrary code via format string specifiers in a string that gets logged by syslog.

Affects 1 product across 1 vendor.

CVSS 2.010.0
EPSS4.5%
Percentile91th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2004. A critical vulnerability affects Gnu systems (CVE-2004-0623). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2004-GLOBAL-008013-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2004-0623?
This vulnerability was disclosed in 2004. A critical vulnerability affects Gnu systems (CVE-2004-0623). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2004-0623?
CVE-2004-0623 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 4.5%.
Is CVE-2004-0623 actively exploited?
No confirmed active exploitation of CVE-2004-0623 as of 2026-09-25.
How do I remediate CVE-2004-0623?
Priority: MEDIUM. PSIRT: [email protected]
What systems are affected by CVE-2004-0623?
CVE-2004-0623 affects Gnu Gnats.
Vulnerability Details
CVE IDCVE-2004-0623
BSIDBS-2004-GLOBAL-008013-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2004-12-06
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

Format string vulnerability in misc.c in GNU GNATS 4.00 may allow remote attackers to execute arbitrary code via format string specifiers in a string that gets logged by syslog.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Format string vulnerability in misc.c in GNU GNATS 4.00 may allow remote attackers to execute arbitrary code via format string specifiers in a string that gets logged by syslog. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Gnu Gnats 3.0_02 3.2 3.14b 3.113 3.113.1 3.113.1.6
+1 more4.0
Remediation

No official vendor advisory link on record. See the CVE record →

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 7984 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashe18afa322a4f8e26e162cceb5cf915b1a2f0f43a4a602ad09b05740a56450f3ed6fc6db4cf2ce59bd7d42aa4f457ee9c60147495c1309b2b7e23fe4d1cf34ad9
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