Local low-privilege users gain SYSTEM rights
Published May 11, 2021 · Updated Aug 3, 2024
Elevation of privilege in Microsoft Windows SSDP Service allows local users with low privileges to execute code with SYSTEM rights. Microsoft has not published the vulnerable function, malformed input, or incorrect operation inside the SSDP Service. Exploitation requires local low-privilege access, does not require user interaction, and grants control at the operating-system security boundary.
Summary
What happened
Elevation of privilege in Microsoft Windows SSDP Service allows local users with low privileges to execute code with SYSTEM rights. Microsoft has not published the vulnerable function, malformed input, or incorrect operation inside the SSDP Service. Exploitation requires local low-privilege access, does not require user interaction, and grants control at the operating-system security boundary.
The record
- CVE
- CVE-2021-31193
- Published
- May 11, 2021
- Updated
- Aug 3, 2024
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- T1068
- 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
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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