CVE-2021-3626

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

Description

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Third-Party Advisory github.com
Affected: Canonical Multipass
Published at:
Updated at:

References

Link Tags
https://github.com/canonical/multipass/pull/2150 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-3626?
CVE-2021-3626 has been scored as a high severity vulnerability.
How to fix CVE-2021-3626?
To fix CVE-2021-3626, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3626 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3626 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3626?
CVE-2021-3626 affects Canonical Multipass.
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