CVE-2002-0491 json
admin.php in AlGuest 1.0 guestbook checks for the existence of the admin cookie to authenticate the AlGuest administrator, which allows rem…
published 2002-06-11 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-0488
- cvss
- 10.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.2%
- EPSS 3.2% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
3.24% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- securityfocus.com http://www.securityfocus.com/bid/4355 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
References
-
securityfocus.com
/bid/4355
vdb-entry, exploit, vendor-advisory
-
iss.net
/security_center/static/8623.php
vdb-entry, vendor-advisory
-
securityfocus.com
/archive/1/263902
mailing-list, vendor-advisory
Sources
- CVE List CVE-2002-0491
- NVD CVE-2002-0491
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.