Vulnerability in Kata Containers
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.011 (65.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Kata Containers — versions 1.11, 1.10, 1
- Katacontainers Runtime
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/kata-containers/runtime/pull/2487 (Patch, Third Party Advisory)
- github.com/kata-containers/runtime/pull/2477 (Patch, Third Party Advisory)
- github.com/kata-containers/runtime/issues/2488 (Patch, Third Party Advisory)
- github.com/kata-containers/agent/issues/791 (Third Party Advisory)
- github.com/kata-containers/agent/pull/792 (Patch)
- github.com/kata-containers/runtime/releases/tag/1.11.1 (Third Party Advisory, Release Notes)
- github.com/kata-containers/runtime/releases/tag/1.10.5 (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2020-2023?
- CVE-2020-2023 is a low-severity vulnerability in Kata Containers, classified under CWE-250. CVSS score: 3.8/10. Published 2020-06-10.
- How severe is CVE-2020-2023?
- Low severity. CVSS v3 base score is 3.8 out of 10.
- Is CVE-2020-2023 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.