CVE-2025-5199: multipass Permission Flaw

Description

In Canonical Multipass up to and including version 1.15.1 on macOS, incorrect default permissions allow a local attacker to escalate privileges by modifying files executed with administrative privileges by a Launch Daemon during system startup.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-276 Incorrect Default Permissions

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
canonical	multipass	< 1.16.0
apple	macos	All

References

Advisories & Patches

https://github.com/canonical/multipass/pull/4115 https://github.com/canonical/multipass/security/advisories/GHSA-2j82-p5cq-62p3 https://github.com/canonical/multipass/security/advisories/GHSA-2j82-p5cq-62p3

Exploits

https://github.com/canonical/multipass/security/advisories/GHSA-2j82-p5cq-62p3 https://github.com/canonical/multipass/security/advisories/GHSA-2j82-p5cq-62p3

Frequently Asked Questions

What is CVE-2025-5199? +

In Canonical Multipass up to and including version 1.15.1 on macOS, incorrect default permissions allow a local attacker to escalate privileges by modifying files executed with administrative privileges by a Launch Daemon during system startup. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-5199? +

CVE-2025-5199 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-5199? +

CVE-2025-5199 affects products from apple, canonical, specifically: macos, multipass. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-5199? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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