CVE-2002-0491 — 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

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HIGH

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

Published Jun 11, 2002

10.0

HIGH

CVSS 2.0

EPSS 3.24%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

3.24% 0.03237

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.03237

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	3.24% (0.03237)	87.84th	v5 (v2026.06.15)
Jun 15, 2026	3.24% (0.03237)	86.62th	v5 (v2026.06.15)
Mar 17, 2025	0.55% (0.00550)	66.01th	v4 (v2025.03.14)
Dec 12, 2024	0.65% (0.00648)	80.02th	v3 (v2023.03.01)
Apr 10, 2024	0.65% (0.00648)	79.00th	v3 (v2023.03.01)
Oct 20, 2023	0.65% (0.00648)	76.98th	v3 (v2023.03.01)
Apr 9, 2023	0.79% (0.00790)	78.96th	v3 (v2023.03.01)
Mar 7, 2023	0.86% (0.00859)	79.75th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

http://www.iss.net/security_center/static/8623.php
vdb-entryx_refsource_XFVendor Advisory
http://www.securityfocus.com/archive/1/263902
mailing-listx_refsource_BUGTRAQVendor Advisory
http://www.securityfocus.com/bid/4355
vdb-entryx_refsource_BIDExploitVendor Advisory

Link	Providers	Tags
http://www.iss.net/security_center/static/8623.php		vdb-entryx_refsource_XFVendor Advisory
http://www.securityfocus.com/archive/1/263902		mailing-listx_refsource_BUGTRAQVendor Advisory
http://www.securityfocus.com/bid/4355		vdb-entryx_refsource_BIDExploitVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jun 11, 2002

Updated Aug 8, 2024

Reserved Jun 7, 2002

Link CVE-2002-0491

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2002-0491

Red Hat

Severity n/a

Public date n/a

Links CVE-2002-0491