How severe is CVE-2022-1677?

CVE-2022-1677 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2022-1677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1677?

CVE-2022-1677 primarily affects Redhat Openshift Container Platform. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-1677?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-1677 published?

CVE-2022-1677 was published on 2022-09-01 and last updated on 2026-06-17.

CVE-2022-1677

CVE-2022-1677 is a medium-severity vulnerability in Redhat Openshift Container Platform with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Redhat Openshift Container Platform
Published: 2022-09-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-1677?: 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.
How severe is CVE-2022-1677?: CVE-2022-1677 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2022-1677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1677?: CVE-2022-1677 primarily affects Redhat Openshift Container Platform. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-1677?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-1677 published?: CVE-2022-1677 was published on 2022-09-01 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.7:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.8:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:*

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