VULNERABILITY INTELLIGENCE
CVE-2001-1556
CVSS score5 MEDIUM
EPSS probability3.56%
CISA KEVNot currently listed
Published2001-12-31
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:N
Description
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.
Weakness classification
- CWE-532: Insertion of Sensitive Information into Log File
Primary references
- cve@mitre.org — Broken Link
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Broken Link
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link