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Case File

CVE-2002-1820

CRITICAL · CVSS 9.8 EPSS 2.38%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2002-12-31 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It may be remotely exploitable.

CVE
CVE-2002-1820
Severity
CRITICAL
CVSS
9.8
EPSS
2.38%

Original NVD 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."