CVE-2002-1820

CRITICAL

Ultimate PHP Board <1.0-1.0b - Privilege Escalation

Title source: llm
STIX 2.1

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."

References (3)

Scores

CVSS v3 9.8
EPSS 0.0153
EPSS Percentile 81.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-178
Status published
Products (1)
ultimate_php_board_project/ultimate_php_board 1.0 (2 CPE variants)
Published Dec 31, 2002
Tracked Since Feb 18, 2026