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CVE-2020-2023

23
FAUCET Score

CVE-2020-2023 describes a vulnerability in Kata Containers where malicious containers can access the guest's root filesystem, enabling code execution and masquerading as the kata-agent. This affects Kata Containers versions 1.11 (prior to 1.11.1), 1.10 (prior to 1.10.5), and all 1.9 and earlier versions. Rated Medium (CVSS 6.3), the vulnerability has a local attack vector with low complexity, potentially leading to low impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.9CPE matchmatch criteria
cpe:2.3:a:katacontainers:runtime:*:*:*:*:*:*:*:*
>= 1.10, < 1.10.5CPE matchmatch criteria
cpe:2.3:a:katacontainers:runtime:*:*:*:*:*:*:*:*
>= 1.11, < 1.11.1CPE matchmatch criteria
cpe:2.3:a:katacontainers:runtime:*:*:*:*:*:*:*:*
>= 1.10, < 1.10.5CPE match
cpe:2.3:a:katacontainers:kata_containers:*:*:*:*:*:*:*:*
>= 1.11, < 1.11.1CPE match
cpe:2.3:a:katacontainers:kata_containers:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.8LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.0
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.14%
Probability of exploitation in next 30 days
EPSS Percentile
63.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0114 is in the 97th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/kata-containers/agentFixed in: 1.9.1
gopatch availablevia ghsa
Product: github.com/kata-containers/agentFixed in: 1.10.5
gopatch availablevia ghsa
Product: github.com/kata-containers/agentFixed in: 1.11.1
gopatch availablevia ghsa
Product: github.com/kata-containers/runtimeFixed in: 1.9.1
gopatch availablevia ghsa
Product: github.com/kata-containers/runtimeFixed in: 1.10.5
gopatch availablevia ghsa
Product: github.com/kata-containers/runtimeFixed in: 1.11.1

Vendor Advisories (1)

goGHSA-6978-vg2j-cc9qmedium

Improper Privilege Management and Execution with Unnecessary Privileges in Kata Containers

Feb 15, 2022

References

github.com / kata-containers/agent/issues/791
Third Party Advisory
github.com / kata-containers/agent/pull/792
Patch
github.com / kata-containers/runtime/issues/2488
PatchThird Party Advisory
github.com / kata-containers/runtime/pull/2477
PatchThird Party Advisory
github.com / kata-containers/runtime/pull/2487
PatchThird Party Advisory
github.com / kata-containers/runtime/releases/tag/1.10.5
Release NotesThird Party Advisory
github.com / kata-containers/runtime/releases/tag/1.11.1
Release NotesThird Party Advisory