How severe is CVE-2020-2023?

CVE-2020-2023 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-2023 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-2023?

CVE-2020-2023 affects Katacontainers Runtime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-2023?

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

When was CVE-2020-2023 published?

CVE-2020-2023 was published on 2020-06-10 and last updated on 2026-06-17.

CVE-2020-2023

CVE-2020-2023 is a low-severity vulnerability in Katacontainers Runtime with a CVSS 3.x base score of 3.8. 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-250.

Key facts

Severity: Low (CVSS 3.x base score 3.8)
CVSS v2: 4.6
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-250
Affected product: Katacontainers Runtime
Published: 2020-06-10
Last modified: 2026-06-17

Description

Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions.

Frequently asked questions

What is CVE-2020-2023?: Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions.
How severe is CVE-2020-2023?: CVE-2020-2023 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-2023 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-2023?: CVE-2020-2023 affects Katacontainers Runtime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-2023?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-2023 published?: CVE-2020-2023 was published on 2020-06-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:katacontainers:runtime:*:*:*:*:*:*:*:*

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