CVE-2020-8547 Auth bypass in n/a

Critical 9.8 Published Updated

An attacker can bypass admin login in phpList by exploiting type juggling in password hash comparison, gaining unauthorized administrative 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-2020-8547?

CVE-2020-8547 is a critical authentication bypass vulnerability in n/a, published on 3 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

phpList 3.5.0 allows type juggling for admin login bypass because == is used instead of === for password hashes, which mishandles hashes that begin with 0e followed by exclusively numerical characters.

Which versions are affected by CVE-2020-8547?

1 open source package ship an affected version, including phplist. It affects 1 product.

PackageAffectedFixed in
phplist BitnamiFrom 3.5.0 to 3.5.0None

Products include Phplist Phplist.

How do I fix CVE-2020-8547?

No fix has been published for CVE-2020-8547 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-2020-8547 being exploited?

There is no known exploitation of CVE-2020-8547 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as BIT-phplist-2020-8547, GHSA-jpch-xv32-p766.

Is CVE-2020-8547 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free