CVE-2021-3626

Windows version of Multipass unauthenticated localhost tcp control socket can perform mounts

CVSS 8.8 HIGHEPSS 0.2%CWE-284 CWE-73

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Oct 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

The Windows version of Multipass before 1.7.0 allowed any local process to connect to the localhost TCP control socket to perform mounts from the operating system to a guest, allowing for privilege escalation.

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

Affected products

Canonical · Multipass

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References

https://github.com/canonical/multipass/pull/2150