CVE-2002-1820 Auth bypass in n/a

Critical 9.8 Published Updated

Attackers can gain administrator privileges by registering a lowercase username that matches the case-sensitive admin account.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2002-1820?

CVE-2002-1820 is a critical authentication bypass vulnerability in n/a, published on 28 Jun 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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."

Weakness: CWE-178

Which versions are affected by CVE-2002-1820?

It affects 1 product.

Products include Ultimate Php Board Project Ultimate Php Board.

How do I fix CVE-2002-1820?

No fix has been published for CVE-2002-1820 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2002-1820 being exploited?

There is no known exploitation of CVE-2002-1820 in the wild and no public exploit code.

Sources

Also known as GHSA-6c7r-27gf-58jj.

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