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Servers and applications

CVE-2004-0747

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables.

Severity
High 7.8
Published
20 Oct 2004
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
2.0.51
Exploit chance
1.6% in the next 30 daysHigher than 76% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-131
Attack
Needs local access · Needs a user account · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • From 2.0.35 before 2.0.51

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2004-0747
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2004-0747