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CVE-2023-33190

29
FAUCET Score

CVE-2023-33190 describes an improper RBAC configuration in Sealos versions prior to 4.2.1-rc4, allowing an attacker to gain full control over a deployed Kubernetes cluster and its resources. This critical vulnerability (CVSS 9.8) is easily exploitable over the network with low complexity, leading to complete compromise of confidentiality, integrity, and availability. While there are no known public exploits or active exploitation, and minimal community discussion, users are strongly advised to upgrade to version 4.2.1-rc4 immediately as no workarounds exist.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.2.1CPE matchmatch criteria
cpe:2.3:o:sealos_project:sealos:*:*:*:*:*:*:*:*
4.2.1CPE matchmatch criteria
cpe:2.3:o:sealos_project:sealos:4.2.1:rc1:*:*:*:*:*:*
4.2.1CPE matchmatch criteria
cpe:2.3:o:sealos_project:sealos:4.2.1:rc2:*:*:*:*:*:*
4.2.1CPE matchmatch criteria
cpe:2.3:o:sealos_project:sealos:4.2.1:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.9CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.1
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
49.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0071 is in the 32nd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/labring/sealosFixed in: 4.2.1-rc4

Vendor Advisories (1)

goGHSA-74j8-w7f9-pp62critical

Improper configuration of RBAC permissions obtaining cluster control permissions

Jun 30, 2023

References

github.com / labring/sealos/commit/4cdf52e55666864e5f90ed502e9fc13e18985b7b
Patch
github.com / labring/sealos/security/advisories/GHSA-74j8-w7f9-pp62
Vendor Advisory