CVE-2020-28032 Deserialization in n/a
WordPress mishandles deserialization requests, potentially allowing attackers to execute arbitrary code on the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-28032?
CVE-2020-28032 is a critical unsafe deserialization vulnerability in Debian Debian Linux, published on 31 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
WordPress before 5.5.2 mishandles deserialization requests in wp-includes/Requests/Utility/FilteredIterator.php.
Weakness: CWE-502
Which versions are affected by CVE-2020-28032?
2 open source packages ship an affected version, including wordpress and wordpress-multisite. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
wordpress Bitnami | All versions | 5.5.2 |
wordpress-multisite Bitnami | All versions | 5.5.2 |
Products include Debian Debian Linux, Fedoraproject Fedora, Wordpress Wordpress.
How do I fix CVE-2020-28032?
Upgrade wordpress to 5.5.2 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2020-28032 being exploited?
There is no known exploitation of CVE-2020-28032 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BIT-wordpress-2020-28032, BIT-wordpress-multisite-2020-28032, DEBIAN-CVE-2020-28032, GHSA-546f-q8mw-j4qj, UBUNTU-CVE-2020-28032.