CVE Tools
Sign in

CVE-2021-46753

Published: May 9, 2023Updated: Jan 28, 2025 Sources: CVE List NVDNVD-CWE-noinfo
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
0.6%
Top 57.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Failure to validate the length fields of the ASP (AMD Secure Processor) sensor fusion hub headers may allow an attacker with a malicious Uapp or ABL to map the ASP sensor fusion hub region and overwrite data structures leading to a potential loss of confidentiality and integrity.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

ryzen 6600h firmwareamdHardware Firmware
ryzen 6600hs firmwareamdHardware Firmware
ryzen 6600u firmwareamdHardware Firmware
ryzen 6800h firmwareamdHardware Firmware
ryzen 6800hs firmwareamdHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
and 71 more affected products View all →

Exploitability

Official Patch Available

References

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

Timeline

Published
May 9, 2023
Last Updated
Jan 28, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-46753 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows