Home/CVE/The log files in Apache web server contain information directly supplied by clients and does not filter or quote control
CVE

CVE-2001-1556

The log files in Apache web server contain information directly supplied by clients and does not filter or quote control

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.

MEDIUM · CVSS 5 EPSS 0.01768
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-532Insertion of Sensitive Information into Log File
▤

Affected Products & Versions

2
apache http server>= 1.3.0 and < 1.3.31
apache http server>= 2.0.0 and < 2.0.49
▣

Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
Published to NVD31 Dec 2001 · 05:00 AM
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://archives.neohapsis.com/archives/bugtraq/2001-10/0231.htmlBroken Link
http://httpd.apache.org/docs/logs.htmlVendor Advisory
http://www.iss.net/security_center/static/7363.phpBroken Link
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