CVE-2003-0020

Apache does not filter terminal escape sequences from its error logs, which could make it easier...

5.0 MediumFix available

Apache does not filter terminal escape sequences from its error logs, which could make it easier for attackers to insert those sequences into terminal emulators containing vulnerabilities related to escape sequences.

Exploit likelihood

16.5%Up 11.2 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2003-0020
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Updated: 2026-11-02

CVE List No score

Record: CVE-2003-0020
Updated: 2026-11-02

EUVDEUVD-2003-0020 No score

Record: EUVD-2003-0020
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cc5w-cgc4-9qf7 No score

Apache does not filter terminal escape sequences from its error logs, which could make it easier...

Record: GHSA-cc5w-cgc4-9qf7
Updated: 2026-11-02

OSV No score

Record: CVE-2003-0020
Updated: 2026-11-02

OSVDEBIAN-CVE-2003-0020 No score

Record: DEBIAN-CVE-2003-0020
Updated: 2026-11-02

Affected products

apache http server

Affected packages

Affected packages
Package	Affected	Fixed
`apache2` Debian:12	before 2.0.49	2.0.49
`apache2` Debian:13	before 2.0.49	2.0.49
`apache2` Debian:14	before 2.0.49	2.0.49

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-0020 is a medium vulnerability (CVSS 5.0) in Apache Http Server, published March 18, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 16.5%, the 97th percentile. Fixed in apache2 2.0.49.

References

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