CVE-2020-1704

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: 2020-02-17 · updated 2026-06-17
Weakness: CWE-266

Description

An insecure modification vulnerability in the /etc/passwd file was found in all versions of OpenShift ServiceMesh (maistra) before 1.0.8 in the openshift/istio-kialia-rhel7-operator-container. An attacker with access to the container could use this flaw to modify /etc/passwd and escalate their privileges.

Affected products

Red Hat OpenShift Service Mesh 2: before 1.0.8 — fixed in 1.0.8

How to fix

Upgrade to a fixed version: Red Hat OpenShift Service Mesh 2 1.0.8. Check the vendor advisory for mitigations.

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1704
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1704

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