CVE-2020-14342

Name: CVE-2020-14342
Creator: NVD / NIST
Published: 2020-09-09T12:15:11.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2020-14342 is a high-severity vulnerability rated 7/10 on the CVSS scale. 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.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7/10

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

EPSS Probability

0.65%

46.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Samba	Cifs-Utils	>= 5.6, <= 6.10
Fedoraproject	Fedora	32
Fedoraproject	Fedora	33
Opensuse	Leap	15.1

References

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00109.htmlMailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14342Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DUMRICFXJVCBBOSKZSKT3HFVQM6VPJU3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JBNFSTJOQWVPFZAUJNNMAPY45PW5RTTE/
https://lists.samba.org/archive/samba-technical/2020-September/135747.htmlExploit, Mailing List, Vendor Advisory
https://security.gentoo.org/glsa/202009-16Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00109.htmlMailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14342Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DUMRICFXJVCBBOSKZSKT3HFVQM6VPJU3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JBNFSTJOQWVPFZAUJNNMAPY45PW5RTTE/
https://lists.samba.org/archive/samba-technical/2020-September/135747.htmlExploit, Mailing List, Vendor Advisory
https://security.gentoo.org/glsa/202009-16Third Party Advisory

Timeline

Published: Sep 9, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14342?

How severe is CVE-2020-14342?

CVE-2020-14342 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14342?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-14342?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST