CVE-2020-14342

Severity: high (CVSS 7.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-09-09 · updated 2026-06-17
Weakness: CWE-77

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.

Affected products

Fedoraproject Fedora: 32, 33
openSUSE Leap: 15.1
samba cifs-utils: from 5.6 through 6.10

References

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00109.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14342
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.html
https://security.gentoo.org/glsa/202009-16
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00109.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14342
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.html
https://security.gentoo.org/glsa/202009-16

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