CVE-2002-1820

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2002-12-31 · updated 2026-06-16
Weakness: CWE-178

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."

Affected products

Ultimate Php Board Project Ultimate Php Board: 1.0, 1.0-beta

References

http://www.iss.net/security_center/static/9972.php
http://www.securityfocus.com/archive/1/289417
http://www.securityfocus.com/bid/5580
http://www.iss.net/security_center/static/9972.php
http://www.securityfocus.com/archive/1/289417
http://www.securityfocus.com/bid/5580

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