Attacker Value
Unknown
0
CVE-2021-38578
0
CVE ID
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CVE-2021-38578
(Last updated August 06, 2024) ▾
MITRE ATT&CK
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Command and Control
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Description
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
EDK II edk2-stable202208
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- insyde,
- tianocore
Products
- edk2,
- kernel 5.0,
- kernel 5.1,
- kernel 5.2,
- kernel 5.3,
- kernel 5.4,
- kernel 5.5
References
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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