CVE-2002-1820

9.8 CRITICAL

Published: December 31, 2002 Modified: April 16, 2026

Description

register.php in Ultimate PHP Board (UPB) 1.0 and 1.0b uses an administrative account Admin with a capital "A," but allows a remote attacker to impersonate the administrator by registering an account name of admin with a lower case "a."

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.iss.net/security_center/static/9972.php

Source: cve@mitre.org

Broken Link Patch

http://www.securityfocus.com/archive/1/289417

Source: cve@mitre.org

Broken Link Third Party Advisory VDB Entry

http://www.securityfocus.com/bid/5580

Source: cve@mitre.org

Broken Link Third Party Advisory VDB Entry

http://www.iss.net/security_center/static/9972.php

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link Patch

http://www.securityfocus.com/archive/1/289417

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link Third Party Advisory VDB Entry

http://www.securityfocus.com/bid/5580

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link Third Party Advisory VDB Entry

6 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

1.5%

81th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-178

Affected Vendors

ultimate_php_board_project

Related CVEs