Service halt via unbounded request-body read
Published Jul 11, 2022 · Updated Apr 23, 2025
Resource exhaustion in affected KubeEdge releases lets remote authenticated users halt AdmissionController via oversized HTTP request bodies. The shared serve() handler for devicemodels, rules, ruleendpoints, and offlinemigration reads each request body entirely into memory without a size limit. Exposure requires a deployed Cloud AdmissionController and high-privilege adjacent access; affected releases are before 1.9.4, 1.10.0 through 1.10.1, and 1.11.0.
Summary
What happened
Resource exhaustion in affected KubeEdge releases lets remote authenticated users halt AdmissionController via oversized HTTP request bodies. The shared serve() handler for devicemodels, rules, ruleendpoints, and offlinemigration reads each request body entirely into memory without a size limit. Exposure requires a deployed Cloud AdmissionController and high-privilege adjacent access; affected releases are before 1.9.4, 1.10.0 through 1.10.1, and 1.11.0.
The record
- CVE
- CVE-2022-31074
- Published
- Jul 11, 2022
- Updated
- Apr 23, 2025
- Vendor
- KubeEdge
- Product
- KubeEdge
- Classifications
- CWE-400, T1499
- Attack vector
- adjacent
- Privileges
- authenticated
Timeline
How it unfolded
- Jul 11, 2022CVE publishedPublication date reported by the CVE source.
- Apr 23, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=>= 1.10.0, < 1.10.2
- Affected versionversion== 1.11.0
- Affected versionversion=< 1.9.4
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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