Security readout for executives and security teams
Plain-English summary
This is a denial-of-service issue in KubeEdge edge nodes. If the optional ServiceBus module is enabled, an actor able to send HTTP requests to the edge-side service could exhaust node memory. That can disrupt other containers on the same node. Fixed KubeEdge releases are available.
Executive priority
Treat this as a targeted availability risk for edge environments, not a broad remote compromise. Prioritize remediation where edge nodes run untrusted workloads, support critical operations, or have ServiceBus enabled.
Technical view
Before KubeEdge 1.11.1, 1.10.2, and 1.9.4, the edge-side ServiceBus server could consume excessive memory when processing an oversized HTTP request body. The issue is CWE-400 uncontrolled resource consumption, affects availability only, and applies only when ServiceBus is enabled in edgecore.yaml.
Likely exposure
Exposure is limited to KubeEdge deployments running affected versions with the ServiceBus module enabled. The advisory specifically notes risk from malicious apps on the host that can send HTTP requests to localhost.
Exploitation context
The source bundle does not show KEV listing or confirmed active exploitation. Practical exploitation requires network or local request access to the edge-side ServiceBus path and enough request volume or size to exhaust node memory.
Researcher notes
CVSS is 6.5 with availability impact only. Affected ranges are <1.9.4, 1.10.0 to <1.10.2, and 1.11.0. The provided sources do not describe confidentiality or integrity impact, public exploitation, or affected products beyond KubeEdge.
Mitigation direction
- Upgrade KubeEdge to 1.11.1, 1.10.2, 1.9.4, or a later fixed release.
- Disable the ServiceBus module in edgecore.yaml if it is not required.
- Prioritize edge nodes where untrusted applications can run on the host.
- Check the KubeEdge advisory for any deployment-specific guidance before changing production clusters.
Validation and detection
- Inventory KubeEdge versions across edge nodes.
- Check edgecore.yaml for ServiceBus module enablement.
- Identify workloads or host apps able to reach localhost services on edge nodes.
- Monitor affected nodes for memory pressure and service disruption indicators.
- Confirm upgraded nodes report fixed KubeEdge versions after remediation.
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
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-31073 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/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:N/UI:N/S:U/C:N/I:N/A:H2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:A/AC:L/PR:N/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-vwm6-qc77-v2rhCVE reference · x_refsource_CONFIRM
- https://github.com/kubeedge/kubeedge/pull/4038CVE reference · x_refsource_MISC
- https://github.com/kubeedge/kubeedge/pull/4039CVE reference · x_refsource_MISC
- https://github.com/kubeedge/kubeedge/pull/4042CVE reference · x_refsource_MISC
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.