CVE-2020-2023
Kata Containers - Containers have access to the guest root filesystem device
- Published
- Updated
- Reserved
- Assigned by
- palo_alto
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.
Timeline
ID reserved
By palo_alto
- 6 months later
· 6 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| palo_altoCNA (assigner) | 3.1 | Low3.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium6.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L |
- EPSS (exploitation in 30 days)
- 1.1% · top 33% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.8.
Weakness
Affected products
Kata Containers · Kata Containers
- affected 1.11 – < 1.11.1
- affected 1.10 – < 1.10.5
- affected 1 – ≤ 1.9
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/kata-containers/agentGHSA-6978-vg2j-cc9q (opens in a new tab)
- Gogithub.com/kata-containers/runtimeGHSA-6978-vg2j-cc9q (opens in a new tab)
References (7)
- https://github.com/kata-containers/runtime/pull/2487 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/kata-containers/runtime/pull/2477 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/kata-containers/runtime/issues/2488 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/kata-containers/agent/issues/791 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/kata-containers/agent/pull/792 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/kata-containers/runtime/releases/tag/1.11.1 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/kata-containers/runtime/releases/tag/1.10.5 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-6978-vg2j-cc9q (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-2023)Record last updated .