CVE-2020-14342

Publication date 9 September 2020

Last updated 7 August 2025


Ubuntu priority

Cvss 3 Severity Score

4.4 · Medium

Score breakdown

It was found that cifs-utils' mount.cifs was invoking a shell when requesting the Samba password, which could be used to inject arbitrary commands. An attacker able to invoke mount.cifs with special permission, such as via sudo rules, could use this flaw to escalate their privileges.

Status

Package Ubuntu Release Status
cifs-utils 25.04 plucky
Fixed 2:6.11-0ubuntu1
24.10 oracular
Fixed 2:6.11-0ubuntu1
24.04 LTS noble
Fixed 2:6.11-0ubuntu1
23.10 mantic
Fixed 2:6.11-0ubuntu1
23.04 lunar
Fixed 2:6.11-0ubuntu1
22.10 kinetic
Fixed 2:6.11-0ubuntu1
22.04 LTS jammy
Fixed 2:6.11-0ubuntu1
21.10 impish
Fixed 2:6.11-0ubuntu1
21.04 hirsute
Fixed 2:6.11-0ubuntu1
20.10 groovy
Fixed 2:6.11-0ubuntu1
20.04 LTS focal
Fixed 2:6.9-1ubuntu0.2
18.04 LTS bionic
Fixed 2:6.8-1ubuntu1.2
16.04 LTS xenial
Fixed 2:6.4-1ubuntu1.1+esm1
14.04 LTS trusty
Fixed 2:6.0-1ubuntu2+esm1

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
cifs-utils

Severity score breakdown

Parameter Value
Base score 4.4 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-5459-1
    • cifs-utils vulnerabilities
    • 2 June 2022
    • USN-7688-1
    • cifs-utils vulnerabilities
    • 7 August 2025

Other references