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CVE-2021-46794

Published: May 9, 2023Updated: Jan 28, 2025 Sources: CVE List NVDCWE-125
7.5HIGH
NVD MITRE
EPSS Score
0.6%
Top 55.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting in a potential denial of service.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-125

Affected Products

AMD
commercial·USaka advanced micro devices
ryzen 5300g firmware
Hardware Firmware
ryzen 5300ge firmware
Hardware Firmware
ryzen 5500 firmware
Hardware Firmware
ryzen 5600 firmware
Hardware Firmware
ryzen 5600g firmware
Hardware Firmware
ryzen 5600ge firmware
Hardware Firmware
ryzen 5600x firmware
Hardware Firmware
ryzen 5700g firmware
Hardware Firmware
and 62 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
amd.com
News mentions
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