PT-2020-5743 · WordPress · Wordpress

Published 2020-10-15 · Updated 2024-03-06 · CVE-2020-28032

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: WordPress versions prior to 5.5.2

Description: The issue is related to the incorrect handling of deserialization requests in the wp-includes/Requests/Utility/FilteredIterator.php component of the WordPress content management system. Exploitation of this issue may allow a remote attacker to access confidential data, compromise its integrity, and cause a denial of service.

Recommendations: For versions prior to 5.5.2, update to version 5.5.2 or later to resolve the issue. As a temporary workaround, consider restricting access to the wp-includes/Requests/Utility/FilteredIterator.php component until a patch is applied.

Exploit

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

BDU:2021-01699

BIT-WORDPRESS-2020-28032

BIT-WORDPRESS-MULTISITE-2020-28032

CVE-2020-28032

DLA-2429-1

DSA-4784-1

Affected Products

Wordpress

References · 25

• 🔥 https://github.com/nth347/CVE-2020-28032_PoC · Exploit
• https://github.com/WordPress/wordpress-develop/commit/add6bedf3a53b647d0ebda2970057912d3cd79d3 · Patch
• https://osv.dev/vulnerability/BIT-wordpress-2020-28032 · Vendor Advisory
• https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release · Vendor Advisory
• https://debian.org/security/2020/dsa-4784 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-28032 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-28032 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-28032 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-28032 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-wordpress-multisite-2020-28032 · Vendor Advisory