7.8

CVE-2021-25749: kubernetes Improper Access Control

CVSS: 7.8v3.1HighModified
Published 24-05-2023Last modified 16-01-2025

Vulnerability summary

CVE-2021-25749 is a high (CVSS 7.8) Improper Access Control vulnerability in kubernetes. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.7% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 3

Timeline

  1. 24-05-2023
    PublishedVulnerability first disclosed.
  2. 16-01-2025
    Last modifiedVulnerability information updated.

Description

Windows workloads can run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Kubernetes1 product
  • kubernetes≥ kubelet v1.22.0 - v1.22.13, < v1.22.14 | ≥ kubelet v1.23.0 - v1.23.10, < v1.23.11 | ≥ kubelet v1.24.0 - v1.24.4, < v1.24.5 | ≥ 1.20.0, ≤ 1.21.0 | ≥ 1.22.0, < 1.22.14 | ≥ 1.23.0, < 1.23.11 | ≥ 1.24.0, < 1.24.5

1 vendor · 1 product

References

1 links