Security readout for executives and security teams
Plain-English summary
CVE-2022-31080 can let a highly privileged, authenticated edge-side user crash a KubeEdge process by causing the WebSocket client to read an overly large response into memory. The business impact is service disruption, not data theft or tampering, based on the provided sources.
Executive priority
Treat as a targeted availability risk. Schedule remediation for affected KubeEdge environments, especially operational edge deployments, but it does not appear to warrant emergency response absent exposure or exploitation evidence.
Technical view
KubeEdge viaduct WSClient reads an entire response body into memory. In affected versions, a large response can exhaust memory and deny service to the process invoking WSClient. The issue is CWE-400 and affects specific KubeEdge releases before 1.11.1, 1.10.2, and 1.9.4.
Likely exposure
Exposure is likely limited to KubeEdge deployments running affected versions where authenticated edge-side users connect to cloudhub through the WebSocket protocol.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. CVSS indicates network access, high attack complexity, high privileges, no user interaction, and high availability impact.
Researcher notes
Affected version data is precise, but exploitation evidence is limited in the supplied sources. The key validation question is whether the vulnerable viaduct WSClient path is reachable by authenticated edge-side users over WebSocket.
Mitigation direction
- Upgrade KubeEdge to 1.11.1, 1.10.2, 1.9.4, or later.
- Prioritize systems using edge-side WebSocket connections to cloudhub.
- Review KubeEdge vendor guidance because sources state no known workarounds.
- Limit authenticated edge-side access where operationally possible until upgraded.
Validation and detection
- Inventory deployed KubeEdge versions across cloud and edge components.
- Confirm whether edge-side users connect to cloudhub through WebSocket.
- Check process restart, memory exhaustion, and availability logs around cloudhub WebSocket activity.
- Verify upgraded environments report fixed KubeEdge versions.
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
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CWE-400: Exact CWE lookup
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Open ATT&CK lookupCVE-2022-31080 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/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:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H0.73.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:N/AC:H/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-6wvc-6pww-qr4rCVE 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.