Security readout for executives and security teams
Plain-English summary
Older KubeEdge releases can have their Cloud AdmissionController knocked offline by oversized HTTP request bodies. The impact is service availability, not data theft or tampering. The issue matters most for organizations running affected KubeEdge control-plane components where admission services are reachable from adjacent or trusted network paths.
Executive priority
Prioritize remediation for production KubeEdge environments where admission control availability affects deployment, validation, or edge operations. The rating is moderate because exploitation is constrained, but downtime of admission services can disrupt operational workflows.
Technical view
CVE-2022-31074 is CWE-400 resource exhaustion in several KubeEdge Cloud AdmissionController endpoints before 1.9.4, 1.10.2, and 1.11.1. CVSS 3.1 is 4.5 with adjacent-network access, low complexity, high privileges, no user interaction, and high availability impact.
Likely exposure
Exposure is likely limited to KubeEdge deployments running versions below 1.9.4, 1.10.0 through 1.10.1, or 1.11.0 with the Cloud AdmissionController in use. Internet-wide exposure is not supported by the provided sources.
Exploitation context
The provided sources do not report active exploitation, and CISA KEV status is false. Exploitation requires high privileges and adjacent-network access, but a successful attack can exhaust AdmissionController resources and cause denial of service.
Researcher notes
Evidence supports a denial-of-service condition from large HTTP request bodies against several Cloud AdmissionController endpoints. The sources do not name affected endpoint paths, public exploitation, or a workaround. Avoid assuming broader KubeEdge component impact beyond the advisory.
Mitigation direction
- Upgrade KubeEdge to 1.11.1, 1.10.2, 1.9.4, or later supported versions.
- Treat network restrictions as compensating controls, not a vendor-stated workaround.
- Limit AdmissionController reachability to trusted cluster or edge network paths where possible.
- Monitor vendor guidance because the advisory states there is no known workaround.
Validation and detection
- Inventory KubeEdge versions across control-plane and edge orchestration environments.
- Confirm whether the Cloud AdmissionController component is deployed and reachable.
- Check exposure paths against adjacent or trusted network boundaries.
- Review availability logs for unexplained AdmissionController failures or resource exhaustion symptoms.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-400: Exact CWE lookup
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Open ATT&CK lookupCVE-2022-31074 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H0.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.5MediumVector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/kubeedge/kubeedge/security/advisories/GHSA-w52j-3457-q9wrCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.