High severity · published Nov 16, 2021
CVE-2020-12961
A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker to zero any privileged register on the System Management Network which may…
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker to zero any privileged register on the System Management Network which may lead to bypassing SPI ROM protections.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
E7
Epyc 7002 Firmware · Amd
before romepi-sp3_1.0.0.c · source: NVD
E7
Epyc 7003 Firmware · Amd
before milanpi-sp3_1.0.0.4 · source: NVD
E7
Epyc 7232p Firmware · Amd
before romepi-sp3_1.0.0.c · source: NVD
E7
Epyc 7252 Firmware · Amd
before romepi-sp3_1.0.0.c · source: NVD
E7
Epyc 7262 Firmware · Amd
before romepi-sp3_1.0.0.c · source: NVD
E7
Epyc 7272 Firmware · Amd
before romepi-sp3_1.0.0.c · source: NVD
E7
Epyc 7282 Firmware · Amd
before romepi-sp3_1.0.0.c · source: NVD
E7
Epyc 72f3 Firmware · Amd
before milanpi-sp3_1.0.0.4 · source: NVD
E7
Epyc 7302 Firmware · Amd
before romepi-sp3_1.0.0.c · source: NVD
E7
Epyc 7302p Firmware · Amd
before romepi-sp3_1.0.0.c · source: NVD
E7
Epyc 7313 Firmware · Amd
before milanpi-sp3_1.0.0.4 · source: NVD
E7
Epyc 7313p Firmware · Amd
before milanpi-sp3_1.0.0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12961
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-12961
Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021
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