8.1

CVE-2022-47633: kyverno Improper Authentication

CVSS: 8.1v3.1HighModified
AliasesGHSA-m3cq-xcx9-3gvmBIT-kyverno-2022-47633GO-2022-1180
Published 23-12-2022Last modified 15-04-2025
Open JSON

Vulnerability summary

CVE-2022-47633 is a high (CVSS 8.1) Improper Authentication vulnerability in kyverno. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.5% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
1.01%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-12-2022
    PublishedVulnerability first disclosed.
  2. 15-04-2025
    Last modifiedVulnerability information updated.

Description

An image signature validation bypass vulnerability in Kyverno 1.8.3 and 1.8.4 allows a malicious image registry (or a man-in-the-middle attacker) to inject unsigned arbitrary container images into a protected Kubernetes cluster. This is fixed in 1.8.5. This has been fixed in 1.8.5 and mitigations are available for impacted releases.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.01%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

+0.05 pp

From 0.96% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.01%

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

Github.com/kyverno1 product
  • kyverno≥ 1.8.3, < 1.8.5
Kyverno1 product

2 vendors · 2 products

References

11 links
Show all 11 references