CVE-2002-1820

CriticalCVSS 9.8/10Last modified Jun 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."

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-178

Affected software

No affected versions have been published.

Timeline

Published
Dec 31, 2002
Last modified
Jun 16, 2026
NVD status
Modified

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