VULNERABILITY INTELLIGENCE
CVE-1999-1053
CVSS score7.5 HIGH
EPSS probability85.20%
CISA KEVNot currently listed
Published1999-09-13
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
Description
guestbook.pl cleanses user-inserted SSI commands by removing text between "<!--" and "-->" separators, which allows remote attackers to execute arbitrary commands when guestbook.pl is run on Apache 1.3.9 and possibly other versions, since Apache allows other closing sequences besides "-->".
Primary references
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Exploit, Vendor Advisory
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Exploit, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Patch, Vendor Advisory