CVE-2020-28037
First published: Sat Oct 31 2020(Updated: )
is_blog_installed in wp-includes/functions.php in WordPress before 5.5.2 improperly determines whether WordPress is already installed, which might allow an attacker to perform a new installation, leading to remote code execution (as well as a denial of service for the old installation).
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/wordpress | 5.0.15+dfsg1-0+deb10u1 5.0.19+dfsg1-0+deb10u1 5.7.8+dfsg1-0+deb11u2 6.1.1+dfsg1-1 6.3.1+dfsg1-1 | |
| WordPress WordPress | <5.5.2 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Debian Debian Linux | =10.0 |
Remedy
https://github.com/WordPress/wordpress-develop/commit/2ca15d1e5ce70493c5c0c096ca0c76503d6da07c
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Reference Links
- https://github.com/WordPress/wordpress-develop/commit/2ca15d1e5ce70493c5c0c096ca0c76503d6da07c
- https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/
- https://wpscan.com/vulnerability/10450
- https://security-tracker.debian.org/tracker/CVE-2020-28037
- https://lists.debian.org/debian-lts-announce/2020/11/msg00004.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y/
- https://www.debian.org/security/2020/dsa-4784
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3/
Frequently Asked Questions
What is the vulnerability ID for this WordPress vulnerability?
The vulnerability ID for this WordPress vulnerability is CVE-2020-28037.
What is the severity of CVE-2020-28037?
The severity of CVE-2020-28037 is critical.
How does CVE-2020-28037 affect WordPress?
CVE-2020-28037 allows an attacker to perform a new installation of WordPress, leading to remote code execution and a denial of service for the old installation.
Which versions of WordPress are affected by CVE-2020-28037?
Versions before 5.5.2 of WordPress are affected by CVE-2020-28037.
How can I fix the vulnerability CVE-2020-28037 in WordPress?
To fix the vulnerability CVE-2020-28037 in WordPress, update to version 5.5.2 or later.
- collector/security-tracker-debian
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/author
- agent/references
- agent/severity
- agent/remedy
- agent/weakness
- agent/tags
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- package-manager/debian
- vendor/wordpress
- canonical/wordpress wordpress
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/31
- version/fedoraproject fedora/32
- version/fedoraproject fedora/33
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0