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CVE-2024-45781

6.7 · MEDIUM

A flaw was found in grub2.

Published Feb 18, 2025CWE-787EPSS 0.26%

Overview

CVE-2024-45781 is a medium-severity vulnerability. It was published on February 18, 2025 and has a CVSS 3.1 base score of 6.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A flaw was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refaccess.redhat.com/errata/RHSA-2025:16154Refaccess.redhat.com/errata/RHSA-2025:6990Refaccess.redhat.com/security/cve/CVE-2024-45781Refbugzilla.redhat.com/show_bug.cgi?id=2345857

How CyberStrike helps

Frequently asked questions

What is CVE-2024-45781?

CVE-2024-45781 is a medium-severity vulnerability. It was published on February 18, 2025 and has a CVSS 3.1 base score of 6.7 (MEDIUM).

How severe is CVE-2024-45781?

This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-45781?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-45781?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-45781 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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