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Fencer Vulns
high 7.5

CVE-2004-0700 json

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…

published 2004-07-21 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0699

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.8%
EPSS 5.8% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

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.

Patch / fix

  • jabberd network proxy 4.2 2.0s10-3.37.rhn
  • jabberd network proxy 4.2 2.0s10-3.38.rhn
  • rhn-apache network proxy 4.2 1.3.27-36.rhn.rhel3
  • rhn-apache network proxy 4.2 1.3.27-36.rhn.rhel4
  • rhn-modperl network proxy 4.2 1.29-16.rhel3
  • rhn-modperl network proxy 4.2 1.29-16.rhel4

red hat advisories RHSA-2008:0523

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2004-0700 updated

mod_proxy hook format string

  • Red Hat Enterprise Linux ES version 2.1 Red Hat Enterprise Linux WS version 2.1 Red Hat Linux Advanced Workstation 2.1
    fixed: vendor fix RHSA-2004:408
  • Red Hat Satellite Proxy v 4.2 (RHEL v.3 AS) jabberd 2.0s10-3.37.rhn, rhn-modperl 1.29-16.rhel3, rhn-apache 1.3.27-36.rhn.rhel3 Red Hat Satellite Proxy v 4.2 (RHEL v.4 AS) jabberd 2.0s10-3.38.rhn, rhn-modperl 1.29-16.rhel4, rhn-apache 1.3.27-36.rhn.rhel4
    fixed: vendor fix RHSA-2008:0523
  • Red Hat Stronghold 4
    fixed: vendor fix RHSA-2004:405

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.80% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.