CVE-2020-1709

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-03-20 · updated 2026-06-17
Weakness: CWE-732

Description

A vulnerability was found in all openshift/mediawiki 4.x.x versions prior to 4.3.0, where an insecure modification vulnerability in the /etc/passwd file was found in the openshift/mediawiki. An attacker with access to the container could use this flaw to modify /etc/passwd and escalate their privileges.

Affected products

Openshift: from 4.0 before 4.3; 3.11 — fixed in 4.3

How to fix

Upgrade to a fixed version: Openshift 4.3. Check the vendor advisory for mitigations.

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1709
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1709

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