CVE-2004-0399

Exp

Stack-based buffer overflow in Exim 3.35, and other versions before 4, when the sender_verify option is true, allows remote attackers to cause a denial of service and possibly execute arbitrary code during sender verification.

Published: 2004-07-07 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-0399 is rated High Exploit Risk (74/100): CVSS High severity, with high exploitation likelihood (EPSS 20.51%, 97th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2004-0399

EDB-ID Source Kind Published Link
24093 exploit_db edb 2004-05-06 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-0399

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 2026-06-15 42.08% 20.51% -21.57%
2 2025-03-30 47.66% 42.08% -5.59%
3 2025-03-29 — 47.66% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0399

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-2004-0399

OS Trackers for CVE-2004-0399

vendor priority summary link
debian not yet assigned CVE-2004-0399 not yet assigned priority: Debian including 1 source packages (exim4), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2004-0399
suse medium — https://www.suse.com/security/cve/CVE-2004-0399/
ubuntu medium CVE-2004-0399 medium priority: Ubuntu including 1 source packages (exim), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2004-0399

Affected software / configurations for CVE-2004-0399

Vendor Product Version Raw CPE
university_of_cambridge exim — cpe:2.3:a:university_of_cambridge:exim:*:*:*:*:*:*:*:*
university_of_cambridge exim 3.35 cpe:2.3:a:university_of_cambridge:exim:3.35:*:*:*:*:*:*:*

References for CVE-2004-0399

cvelogic Threat Intelligence