Host service interruption via undisclosed Hyper-V flaw
Published Jan 12, 2021 · Updated Oct 8, 2024
Denial of service in Microsoft Windows Hyper-V allows remote authenticated users to interrupt host availability through a guest OS. Microsoft has not published the affected Hyper-V component or the malformed operation that triggers the failure. Low privileges in a guest OS and network reachability to the host are required; no confidentiality or integrity impact is reported.
Summary
What happened
Denial of service in Microsoft Windows Hyper-V allows remote authenticated users to interrupt host availability through a guest OS. Microsoft has not published the affected Hyper-V component or the malformed operation that triggers the failure. Low privileges in a guest OS and network reachability to the host are required; no confidentiality or integrity impact is reported.
The record
- CVE
- CVE-2021-1692
- Published
- Jan 12, 2021
- Updated
- Oct 8, 2024
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- T1499
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jan 12, 2021CVE publishedPublication date reported by the CVE source.
- Oct 8, 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?
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- Affected versionversion=10.0.0 <publication
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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