CVE-2002-0491 — HIGH severity vulnerability (admin.php in AlGuest 1.0 guestbook checks for the existence)
admin.php in AlGuest 1.0 guestbook checks for the existence of the admin cookie to authenticate the AlGuest administrator, which allows remote attackers to bypass the authentication and gain privileges by setting the admin cookie to an arbitrary value.
| CVE ID | CVE-2002-0491 |
|---|---|
| Severity | HIGH |
| CVSS score | 10.0 |
| CVSS vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 2002-08-12 |
| Last modified | 2026-04-16 |
| Description | admin.php in AlGuest 1.0 guestbook checks for the existence of the admin cookie to authenticate the AlGuest administrator, which allows remote attackers to bypass the authentication and gain privileges by setting the admin cookie to an arbitrary value. |
| Source | NIST National Vulnerability Database |
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