CVE-2020-28914: katacontainers kata-containers
Vulnerability summary
CVE-2020-28914 is a high (CVSS 7.1) vulnerability in katacontainers kata-containers. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 31.2% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 17-11-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An improper file permissions vulnerability affects Kata Containers prior to 1.11.5. When using a Kubernetes hostPath volume and mounting either a file or directory into a container as readonly, the file/directory is mounted as readOnly inside the container, but is still writable inside the guest. For a container breakout situation, a malicious guest can potentially modify or delete files/directories expected to be read-only.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.37% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Katacontainers1 product
- kata-containers< 1.11.5
1 vendor · 1 product
References
5 links- github.com/kata-containers/runtime/releases/tag/1.12.0X Refsource MISCRelease NotesThird Party Advisory
- github.com/kata-containers/runtime/releases/tag/1.11.5X Refsource MISCRelease NotesThird Party Advisory