CVE-2020-23352 Auth bypass in n/a

High 7.5 Published 27 Jan 2021 Updated 4 Aug 2024

Attackers can bypass authentication in Z-BlogPHP using PHP loose comparison and magic hash values to gain unauthorized access.

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-2020-23352?

CVE-2020-23352 is a high-severity authentication bypass vulnerability in n/a, published on 27 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Z-BlogPHP 1.6.0 Valyria is affected by incorrect access control. PHP loose comparison and a magic hash can be used to bypass authentication. zb_user/plugin/passwordvisit/include.php:passwordvisit_input_password() uses loose comparison to authenticate, which can be bypassed via magic hash values.

Which versions are affected by CVE-2020-23352?

It affects 1 product.

Products include Zblogcn Z-Blogphp.

How do I fix CVE-2020-23352?

No fix has been published for CVE-2020-23352 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-2020-23352 being exploited?

There is no known exploitation of CVE-2020-23352 in the wild and no public exploit code.

Sources

Also known as GHSA-hcfw-jhvg-6wgg.