CVE-2020-11027 Password reset links invalidation issue in WordPress

Medium 6.1 Published Updated

Attackers with email access can use old password reset links to take over accounts even after the password has been changed.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2020-11027?

CVE-2020-11027 is a medium-severity vulnerability in Debian Debian Linux, published on 30 Apr 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In affected versions of WordPress, a password reset link emailed to a user does not expire upon changing the user password. Access would be needed to the email account of the user by a malicious party for successful execution. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).

Weakness: CWE-640, CWE-672

Which versions are affected by CVE-2020-11027?

2 open source packages ship an affected version, including wordpress and wordpress-multisite. It affects 2 products.

PackageAffectedFixed in
wordpress BitnamiFrom 3.7.03.7.33, 3.8.33, 3.9.31, 4.0.30, 4.1.30, 4.2.27, 4.3.23, 4.4.22, 4.5.21, 4.6.18, 4.7.17, 4.8.13, 4.9.14, 5.0.9, 5.1.5, 5.2.6, 5.3.3, 5.4.1
wordpress-multisite BitnamiFrom 3.7.03.7.33, 3.8.33, 3.9.31, 4.0.30, 4.1.30, 4.2.27, 4.3.23, 4.4.22, 4.5.21, 4.6.18, 4.7.17, 4.8.13, 4.9.14, 5.0.9, 5.1.5, 5.2.6, 5.3.3, 5.4.1

Products include Debian Debian Linux, Wordpress Wordpress.

How do I fix CVE-2020-11027?

Upgrade wordpress to a fixed version for your release line: 3.7.33, 3.8.33, 3.9.31 or 4.0.30.

Is CVE-2020-11027 being exploited?

There is no known exploitation of CVE-2020-11027 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

All Debian Debian Linux vulnerabilities

Sources

Also known as BIT-wordpress-2020-11027, BIT-wordpress-multisite-2020-11027, DEBIAN-CVE-2020-11027, GHSA-ww7v-jg8c-q6jw, UBUNTU-CVE-2020-11027.

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