CVE-2022-1677

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-09-01 · updated 2026-06-17
Weakness: CWE-400

Description

In OpenShift Container Platform, a user with permissions to create or modify Routes can craft a payload that inserts a malformed entry into one of the cluster router's HAProxy configuration files. This malformed entry can match any arbitrary hostname, or all hostnames in the cluster, and direct traffic to an arbitrary application within the cluster, including one under attacker control.

Affected products

Red Hat OpenShift Container Platform 4.18: 3.11, 4.6, 4.7, 4.8, 4.9, 4.10

References

https://access.redhat.com/security/cve/CVE-2022-1677
https://bugzilla.redhat.com/show_bug.cgi?id=2076211
https://access.redhat.com/security/cve/CVE-2022-1677
https://bugzilla.redhat.com/show_bug.cgi?id=2076211

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