6.3

CVE-2020-2023: Kata Containers - Containers have access to the guest root filesystem device

Modified
AliasesGHSA-6978-vg2j-cc9q
Published 10-06-2020Last modified 17-09-2024

Vulnerability summary

CVE-2020-2023 is a medium (CVSS 6.3) Execution with Unnecessary Privileges vulnerability in kata containers. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 3.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.3/10
010
Medium · v3.1 (NVD)
EPSS score
1.15%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 10-06-2020
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.15%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 1.14% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Github.com/kata-containers2 products
  • agent< 1.9.1 | ≥ 1.10.0, < 1.10.5 | ≥ 1.11.0, < 1.11.1
  • runtime< 1.9.1 | ≥ 1.10.0, < 1.10.5 | ≥ 1.11.0, < 1.11.1
Kata containers1 product
Katacontainers1 product
  • runtime≤ 1.9 | ≥ 1.10, < 1.10.5 | ≥ 1.11, < 1.11.1

3 vendors · 4 products

References

9 links