TI-2001-01504 Aliases CVE-2001-1556 GHSA-9f54-6r7j-3hph

The log files in Apache web server contain information directly supplied by clients and…

LOW 29CWE-532Published 2005-07-14 · Updated 2024-09-16

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: None · Partial · None
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-532.

Summary

The log files in Apache web server contain information directly supplied by clients and does not filter or quote control characters, which could allow remote attackers to hide HTTP requests and spoof source IP addresses when logs are viewed with UNIX programs such as cat, tail, and grep.

Why it matters now

EPSS 0.03564 89th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:apache:http_server::::::::	1.3.0 to before 1.3.31; 2.0.0 to before 2.0.49	Vulnerable	Apache

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions 1.3.0 to before 1.3.31; 2.0.0 to before 2.0.49 Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Not affected: 7 products

Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat JBoss Core Services
Red Hat JBoss Enterprise Web Server 2
Red Hat Software Collections

Timeline

2026-10-02 Threatist record created from CVE-2001-1556
2026-10-03 Alias added: GHSA-9f54-6r7j-3hph

References

Advisory 1

http://httpd.apache.org/docs/logs.html

Other 2

TI-2021-18535 Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) KEVCVSS 3.1CRITICAL 9.8
TI-2021-18417 Path traversal and file disclosure vulnerability in Apache HTTP Server 2.4.49 KEVCVSS 3.1CRITICAL 9.8
TI-2024-25716 Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches filesystem path. KEVCVSS 3.1CRITICAL 9.1
TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
TI-2019-00184 Use after free in Apache HTTP Server KEVCVSS 3.1HIGH 7.8
TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8

See all 349 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences