Vulnerability Details : CVE-2021-3626
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.
Vulnerability category: File inclusionBypassGain privilege
Products affected by CVE-2021-3626
- cpe:2.3:a:canonical:multipass:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3626
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3626
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
2.0
|
6.0
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
2.0
|
6.0
|
Canonical Ltd. |
CWE ids for CVE-2021-3626
-
The product allows user input to control or influence paths or file names that are used in filesystem operations.Assigned by: security@ubuntu.com (Secondary)
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: security@ubuntu.com (Secondary)
References for CVE-2021-3626
-
https://github.com/canonical/multipass/pull/2150
[daemon] add `local.privileged-mounts` setting by Saviq · Pull Request #2150 · canonical/multipass · GitHubPatch;Third Party Advisory
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