CVE-2021-3747

CVE-2021-3747 is a high-severity vulnerability in Canonical Multipass with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Description

The MacOS version of Multipass, version 1.7.0, fixed in 1.7.2, accidentally installed the application directory with incorrect owner.

Frequently asked questions

What is CVE-2021-3747?
The MacOS version of Multipass, version 1.7.0, fixed in 1.7.2, accidentally installed the application directory with incorrect owner.
How severe is CVE-2021-3747?
CVE-2021-3747 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-3747 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3747?
CVE-2021-3747 affects Canonical Multipass. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3747?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-3747 published?
CVE-2021-3747 was published on 2021-10-01 and last updated on 2026-06-17.

References

Affected products (1)

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