How severe is CVE-2020-1742?

CVE-2020-1742 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-1742 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1742?

CVE-2020-1742 primarily affects Redhat Openshift Virtualization. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-1742?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-1742 published?

CVE-2020-1742 was published on 2021-06-07 and last updated on 2026-06-17.

CVE-2020-1742

CVE-2020-1742 is a high-severity vulnerability in Redhat Openshift Virtualization with a CVSS 3.x base score of 7.0. 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 4.4
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Redhat Openshift Virtualization
Published: 2021-06-07
Last modified: 2026-06-17

Description

An insecure modification vulnerability flaw was found in containers using nmstate/kubernetes-nmstate-handler. An attacker with access to the container could use this flaw to modify /etc/passwd and escalate their privileges. Versions before kubernetes-nmstate-handler-container-v2.3.0-30 are affected.

Frequently asked questions

What is CVE-2020-1742?: An insecure modification vulnerability flaw was found in containers using nmstate/kubernetes-nmstate-handler. An attacker with access to the container could use this flaw to modify /etc/passwd and escalate their privileges. Versions before kubernetes-nmstate-handler-container-v2.3.0-30 are affected.
How severe is CVE-2020-1742?: CVE-2020-1742 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-1742 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1742?: CVE-2020-1742 primarily affects Redhat Openshift Virtualization. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-1742?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-1742 published?: CVE-2020-1742 was published on 2021-06-07 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1803608

Affected products (2)

cpe:2.3:a:nmstate:kubernetes-nmstate:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_virtualization:2:*:*:*:*:*:*:*

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