Medium severity · published Nov 14, 2023
CVE-2023-20526
Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of…
4.6
CVSS
0.3%
EPSS
No
On KEV
Description
Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality.
CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
1G
1st Gen AMD EPYC™ Processors · AMD
various · source: vendor
2G
2nd Gen AMD EPYC™ Processors · AMD
various · source: vendor
3G
3rd Gen AMD EPYC™ Processors · AMD
various · source: vendor
AE
AMD EPYC™ Embedded 3000 · AMD
various · source: vendor
AE
AMD EPYC™ Embedded 7002 · AMD
various · source: vendor
AE
AMD EPYC™ Embedded 7003 · AMD
various · source: vendor
AR
AMD Ryzen™ Threadripper™ 2000 Series Processors “Colfax” · AMD
various · source: vendor
E7
Epyc 7001 Firmware · Amd
before naplespi_1.0.0.h · source: NVD
E7
Epyc 7232p Firmware · Amd
before romepi_1.0.0.d · source: NVD
E7
Epyc 7251 Firmware · Amd
before naplespi_1.0.0.h · source: NVD
E7
Epyc 7252 Firmware · Amd
before romepi_1.0.0.d · source: NVD
E7
Epyc 7261 Firmware · Amd
before naplespi_1.0.0.h · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-20526
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-20526
Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002
Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002
www.amd.com
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
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