Service interruption via weak REST API rate limiting
Published Mar 16, 2021 · Updated Sep 16, 2024
Denial of service in IBM Spectrum Scale allows local users to interrupt service by overloading the REST API with requests. In 5.0.0 through 5.0.5.5 and 5.1.0 through 5.1.0.2, weak or absent request-rate enforcement permits authenticated API traffic to exhaust service capacity; IBM has not disclosed the specific endpoint or code locus. A valid REST API role and local access are required, and the documented consequence is availability loss rather than data disclosure or modification.
Summary
What happened
Denial of service in IBM Spectrum Scale allows local users to interrupt service by overloading the REST API with requests. In 5.0.0 through 5.0.5.5 and 5.1.0 through 5.1.0.2, weak or absent request-rate enforcement permits authenticated API traffic to exhaust service capacity; IBM has not disclosed the specific endpoint or code locus. A valid REST API role and local access are required, and the documented consequence is availability loss rather than data disclosure or modification.
The record
- CVE
- CVE-2020-4890
- Published
- Mar 16, 2021
- Updated
- Sep 16, 2024
- Vendor
- IBM
- Product
- IBM Spectrum Scale
- Classifications
- T1499.002
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Mar 16, 2021CVE publishedPublication date reported by the CVE source.
- Sep 16, 2024Record 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=5.0.0
- Affected versionversion=5.0.5.5
- Affected versionversion=5.1.0
- Affected versionversion=5.1.0.2
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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