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CVE-2021-28310
CVE ID
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CVE-2021-28310
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Description
Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-27072.
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Technical Analysis
Ah, another day, another Win32k privilege escalation used in the wild. Securelist has a good write-up on this bug, which they discovered because it was used in a BITTER APT zero-day attack in (it sounds like) conjunction with CVE-2021-1732 (there’s a Metasploit module for the second vuln).
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General Information
Vendors
- Microsoft
Products
- Windows,
- Windows Server,
- Windows 10 Version 1909 for 32-bit Systems,
- Windows 10 Version 1909 for x64-based Systems,
- Windows 10 Version 1909 for ARM64-based Systems,
- Windows Server, version 1909 (Server Core installation),
- Windows 10 Version 2004 for 32-bit Systems,
- Windows 10 Version 2004 for ARM64-based Systems,
- Windows 10 Version 2004 for x64-based Systems,
- Windows Server, version 2004 (Server Core installation),
- Windows 10 Version 20H2 for x64-based Systems,
- Windows 10 Version 20H2 for 32-bit Systems,
- Windows 10 Version 20H2 for ARM64-based Systems,
- Windows Server, version 20H2 (Server Core Installation)
Exploited in the Wild
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Additional Info
Technical Analysis
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CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below: