CVE-2021-20325 : What You Need to Know
Learn about CVE-2021-20325, a security regression affecting httpd versions in Red Hat Enterprise Linux 8.5.0. Understand the impact, vulnerability description, affected systems, mitigation, and prevention.
This article provides detailed information about CVE-2021-20325, which affects the httpd versions shipped with Red Hat Enterprise Linux 8.5.0.
Understanding CVE-2021-20325
CVE-2021-20325 is a Red Hat-specific security regression introduced in the httpd versions of Red Hat Enterprise Linux 8.5.0. It results from missing fixes for CVE-2021-40438 and CVE-2021-26691, making users vulnerable to these CVEs.
What is CVE-2021-20325?
CVE-2021-20325 refers to a security regression in the httpd software as shipped in Red Hat Enterprise Linux 8.5.0. Users updating to this version may remain vulnerable to previously fixed CVEs.
The Impact of CVE-2021-20325
The impact of CVE-2021-20325 is significant as it exposes users of Red Hat Enterprise Linux 8.5.0 to security risks that were addressed in the earlier version of Red Hat Enterprise Linux.
Technical Details of CVE-2021-20325
CVE ID: CVE-2021-20325
Vulnerability Description
The vulnerability arises from missing fixes for CVE-2021-40438 and CVE-2021-26691 in the httpd versions of Red Hat Enterprise Linux 8.5.0, leading to a security regression.
Affected Systems and Versions
Affected Product: httpd Affected Versions: httpd 2.4.47, httpd 2.4.49
Exploitation Mechanism
Users who install or update to Red Hat Enterprise Linux 8.5.0 are at risk of exposure to the mentioned CVEs due to the security regression.
Mitigation and Prevention
As a user or administrator, taking immediate action and implementing long-term security practices is crucial.
Immediate Steps to Take
- Consider reverting to a secure version or implementing security measures to mitigate the vulnerability.
- Stay informed about the latest updates and security advisories from Red Hat.
Long-Term Security Practices
- Regularly update software and apply patches promptly.
- Monitor security bulletins and proactively address any security issues.
Patching and Updates
Keep the httpd software up-to-date by applying the necessary security patches to prevent exposure to known vulnerabilities.