Attacker Value
Unknown
0
CVE-2021-46758
0
CVE ID
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CVE-2021-46758
(Last updated November 23, 2023) ▾
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Command and Control
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Credential Access
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Defense Evasion
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Execution
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Exfiltration
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Description
Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
6.1 Medium
Impact Score:
5.2
Exploitability Score:
0.9
Attack Vector (AV):
Physical
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne” various
Ryzen™ 7000 Series Desktop Processors “Raphael” XD3 various
Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6 various
Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” various
Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne” various
AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt" various
AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R” various
AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo” various
AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R” various
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- amd
Products
- ryzen 3 4300u firmware,
- ryzen 3 5125c firmware,
- ryzen 3 5300g firmware,
- ryzen 3 5300ge firmware,
- ryzen 3 5300u firmware,
- ryzen 3 5400u firmware,
- ryzen 3 5425u firmware,
- ryzen 3 7335u firmware,
- ryzen 3 pro 7330u firmware,
- ryzen 5 4500u firmware,
- ryzen 5 4600h firmware,
- ryzen 5 4600hs firmware,
- ryzen 5 4600u firmware,
- ryzen 5 4680u firmware,
- ryzen 5 5500h firmware,
- ryzen 5 5500u firmware,
- ryzen 5 5560u firmware,
- ryzen 5 5600g firmware,
- ryzen 5 5600ge firmware,
- ryzen 5 5600h firmware,
- ryzen 5 5600hs firmware,
- ryzen 5 5600u firmware,
- ryzen 5 5625u firmware,
- ryzen 5 6600h firmware,
- ryzen 5 6600hs firmware,
- ryzen 5 6600u firmware,
- ryzen 5 7535hs firmware,
- ryzen 5 7535u firmware,
- ryzen 5 pro 7530u firmware,
- ryzen 7 4700u firmware,
- ryzen 7 4800h firmware,
- ryzen 7 4800hs firmware,
- ryzen 7 4800u firmware,
- ryzen 7 4980u firmware,
- ryzen 7 5700g firmware,
- ryzen 7 5700ge firmware,
- ryzen 7 5700u firmware,
- ryzen 7 5800h firmware,
- ryzen 7 5800hs firmware,
- ryzen 7 5800u firmware,
- ryzen 7 5825u firmware,
- ryzen 7 6800h firmware,
- ryzen 7 6800hs firmware,
- ryzen 7 6800u firmware,
- ryzen 7 7735hs firmware,
- ryzen 7 7735u firmware,
- ryzen 7 7736u firmware,
- ryzen 7 7800x3d firmware,
- ryzen 7 pro 7730u firmware,
- ryzen 9 4900h firmware,
- ryzen 9 4900hs firmware,
- ryzen 9 5900hs firmware,
- ryzen 9 5900hx firmware,
- ryzen 9 5980hs firmware,
- ryzen 9 5980hx firmware,
- ryzen 9 6900hs firmware,
- ryzen 9 6900hx firmware,
- ryzen 9 6980hs firmware,
- ryzen 9 6980hx firmware,
- ryzen 9 7900x3d firmware,
- ryzen 9 7950x3d firmware
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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