CVE-2004-0700

Format string vulnerability in the mod_proxy hook functions function in ssl_engine_log.c in mod_ssl before 2.8.19 for Apache before 1.3.31 may allow remote attackers to execute arbitrary messages via format string specifiers in certain log messages for HTTPS that are handled by the ssl_log function.

Published: 2004-07-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-0700 is rated Moderate Risk (64.9/100): CVSS High severity, with high exploitation likelihood (EPSS 31.70%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.05% over the last day, indicating growing attacker interest. 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-2004-0700

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 2026-03-26 30.65% 31.70% +1.05%
2 2025-03-30 38.33% 30.65% -7.68%
3 2025-03-29 — 38.33% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0700

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-2004-0700

OS Trackers for CVE-2004-0700

vendor priority summary link
redhat high — https://access.redhat.com/security/cve/CVE-2004-0700
ubuntu medium CVE-2004-0700 medium priority: Ubuntu including 1 source packages (libapache-mod-ssl), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. https://ubuntu.com/security/CVE-2004-0700

Affected software / configurations for CVE-2004-0700

Vendor Product Version Raw CPE
mod_ssl mod_ssl 2.3.11 cpe:2.3:a:mod_ssl:mod_ssl:2.3.11:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.4.0 cpe:2.3:a:mod_ssl:mod_ssl:2.4.0:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.4.1 cpe:2.3:a:mod_ssl:mod_ssl:2.4.1:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.4.2 cpe:2.3:a:mod_ssl:mod_ssl:2.4.2:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.4.3 cpe:2.3:a:mod_ssl:mod_ssl:2.4.3:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.4.4 cpe:2.3:a:mod_ssl:mod_ssl:2.4.4:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.4.5 cpe:2.3:a:mod_ssl:mod_ssl:2.4.5:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.4.6 cpe:2.3:a:mod_ssl:mod_ssl:2.4.6:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.4.7 cpe:2.3:a:mod_ssl:mod_ssl:2.4.7:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.4.8 cpe:2.3:a:mod_ssl:mod_ssl:2.4.8:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.4.9 cpe:2.3:a:mod_ssl:mod_ssl:2.4.9:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.4.10 cpe:2.3:a:mod_ssl:mod_ssl:2.4.10:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.5.0 cpe:2.3:a:mod_ssl:mod_ssl:2.5.0:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.5.1 cpe:2.3:a:mod_ssl:mod_ssl:2.5.1:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.6.0 cpe:2.3:a:mod_ssl:mod_ssl:2.6.0:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.6.1 cpe:2.3:a:mod_ssl:mod_ssl:2.6.1:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.6.2 cpe:2.3:a:mod_ssl:mod_ssl:2.6.2:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.6.3 cpe:2.3:a:mod_ssl:mod_ssl:2.6.3:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.6.4 cpe:2.3:a:mod_ssl:mod_ssl:2.6.4:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.6.5 cpe:2.3:a:mod_ssl:mod_ssl:2.6.5:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.6.6 cpe:2.3:a:mod_ssl:mod_ssl:2.6.6:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.7.0 cpe:2.3:a:mod_ssl:mod_ssl:2.7.0:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.7.1 cpe:2.3:a:mod_ssl:mod_ssl:2.7.1:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.0 cpe:2.3:a:mod_ssl:mod_ssl:2.8.0:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.1 cpe:2.3:a:mod_ssl:mod_ssl:2.8.1:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.1.2 cpe:2.3:a:mod_ssl:mod_ssl:2.8.1.2:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.2 cpe:2.3:a:mod_ssl:mod_ssl:2.8.2:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.3 cpe:2.3:a:mod_ssl:mod_ssl:2.8.3:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.4 cpe:2.3:a:mod_ssl:mod_ssl:2.8.4:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.5 cpe:2.3:a:mod_ssl:mod_ssl:2.8.5:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.5.1 cpe:2.3:a:mod_ssl:mod_ssl:2.8.5.1:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.5.2 cpe:2.3:a:mod_ssl:mod_ssl:2.8.5.2:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.6 cpe:2.3:a:mod_ssl:mod_ssl:2.8.6:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.7 cpe:2.3:a:mod_ssl:mod_ssl:2.8.7:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.8 cpe:2.3:a:mod_ssl:mod_ssl:2.8.8:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.9 cpe:2.3:a:mod_ssl:mod_ssl:2.8.9:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.10 cpe:2.3:a:mod_ssl:mod_ssl:2.8.10:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.12 cpe:2.3:a:mod_ssl:mod_ssl:2.8.12:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.14 cpe:2.3:a:mod_ssl:mod_ssl:2.8.14:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.15 cpe:2.3:a:mod_ssl:mod_ssl:2.8.15:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.16 cpe:2.3:a:mod_ssl:mod_ssl:2.8.16:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.17 cpe:2.3:a:mod_ssl:mod_ssl:2.8.17:*:*:*:*:*:*:*
mod_ssl mod_ssl 2.8.18 cpe:2.3:a:mod_ssl:mod_ssl:2.8.18:*:*:*:*:*:*:*
gentoo linux 1.4 cpe:2.3:o:gentoo:linux:1.4:*:*:*:*:*:*:*

References for CVE-2004-0700

cvelogic Threat Intelligence