CVE-2024-5300

5.6 · MEDIUM

Published Jul 21, 2026 CWE-212 EPSS 0.10% (1th pctl) CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Overview

CVE-2024-5300 is a medium-severity vulnerability. It was published on July 21, 2026 and has a CVSS 3.1 base score of 5.6 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.6, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

An access control bypass and information disclosure vulnerability exists in the base AppArmor security profile configuration of Canonical snapd. The abstraction rules located in /etc/apparmor.d/abstractions/nss-systemd (inherited via ) inadvertently permit strictly confined snap applications, which lack the privileged account-control interface, to interact directly with the io.systemd.Multiplexer and io.systemd.NameServiceSwitch UNIX domain sockets under /run/systemd/userdb/.

On systems where the systemd-userdbd service is installed and operational, the service fails to distinguish between an unconfined root user on the host system and a restricted root user running within a snap application's sandbox (such as a daemon or configuration hook). Because systemd-userdbd returns "complete" user records—including sensitive hashed user passwords from /etc/shadow—when queried by a process running as root, a compromised or malicious strictly confined snap executing code as root can successfully

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

Ref ubuntu.com/security/CVE-2024-5300

Frequently Asked Questions

What is CVE-2024-5300?

CVE-2024-5300 is a medium-severity vulnerability. It was published on July 21, 2026 and has a CVSS 3.1 base score of 5.6 (MEDIUM).

How severe is CVE-2024-5300?

This vulnerability has a CVSS 3.1 base score of 5.6, 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-2024-5300?

How can CyberStrike help with CVE-2024-5300?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-5300 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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HackBrowser

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