Local information disclosure through undisclosed CSC flaw
Published May 11, 2021 · Updated Aug 3, 2024
Information disclosure in Microsoft Windows CSC Service allows local users with low privileges to read sensitive memory contents. Microsoft has not published the flawed CSC Service operation or the data source exposed through untrusted local input. Exploitation requires local low-privileged access and affects confidentiality only, without reported data modification or service interruption.
Summary
What happened
Information disclosure in Microsoft Windows CSC Service allows local users with low privileges to read sensitive memory contents. Microsoft has not published the flawed CSC Service operation or the data source exposed through untrusted local input. Exploitation requires local low-privileged access and affects confidentiality only, without reported data modification or service interruption.
The record
- CVE
- CVE-2021-28479
- Published
- May 11, 2021
- Updated
- Aug 3, 2024
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- Unavailable
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- May 11, 2021CVE publishedPublication date reported by the CVE source.
- Aug 3, 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=10.0.0 <10.0.10240.18931
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.
Weakness, pattern, technique
No sourced classifications are available.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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