How severe is CVE-2020-1741?

CVE-2020-1741 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2020-1741 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1741?

CVE-2020-1741 affects Redhat Openshift Container Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1741?

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

When was CVE-2020-1741 published?

CVE-2020-1741 was published on 2020-04-24 and last updated on 2026-06-17.

CVE-2020-1741

CVE-2020-1741 is a medium-severity vulnerability in Redhat Openshift Container Platform with a CVSS 3.x base score of 5.9. 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-185.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-185
Affected product: Redhat Openshift Container Platform
Published: 2020-04-24
Last modified: 2026-06-17

Description

A flaw was found in openshift-ansible. OpenShift Container Platform (OCP) 3.11 is too permissive in the way it specified CORS allowed origins during installation. An attacker, able to man-in-the-middle the connection between the user's browser and the openshift console, could use this flaw to perform a phishing attack. The main threat from this vulnerability is data confidentiality.

Frequently asked questions

What is CVE-2020-1741?: A flaw was found in openshift-ansible. OpenShift Container Platform (OCP) 3.11 is too permissive in the way it specified CORS allowed origins during installation. An attacker, able to man-in-the-middle the connection between the user's browser and the openshift console, could use this flaw to perform a phishing attack. The main threat from this vulnerability is data confidentiality.
How severe is CVE-2020-1741?: CVE-2020-1741 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2020-1741 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1741?: CVE-2020-1741 affects Redhat Openshift Container Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1741?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1741 published?: CVE-2020-1741 was published on 2020-04-24 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1741

Affected products (1)

cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*

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