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cve[email protected]CVE-2020-12961
HistoryNov 16, 2021 - 7:15 p.m.

CVE-2020-12961

2021-11-1619:15:07
CWE-20
web.nvd.nist.gov
21
cve-2020-12961
amd
platform security processor
psp
vulnerability
attacker
smn
spi rom protections

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.4 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

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.

Affected configurations

NVD
Node
amdepyc_7003_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7003Match-
Node
amdepyc_7002_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7002Match-
Node
amdepyc_72f3_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_72f3Match-
Node
amdepyc_7313_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7313Match-
Node
amdepyc_7313p_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7313pMatch-
Node
amdepyc_7343_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7343Match-
Node
amdepyc_73f3_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_73f3Match-
Node
amdepyc_7413_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7413Match-
Node
amdepyc_7443_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7443Match-
Node
amdepyc_7443p_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7443pMatch-
Node
amdepyc_7453_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7453Match-
Node
amdepyc_74f3_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_74f3Match-
Node
amdepyc_7513_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7513Match-
Node
amdepyc_7543_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7543Match-
Node
amdepyc_7543p_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7543pMatch-
Node
amdepyc_75f3_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_75f3Match-
Node
amdepyc_7643_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7643Match-
Node
amdepyc_7663_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7663Match-
Node
amdepyc_7713_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7713Match-
Node
amdepyc_7713p_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7713pMatch-
Node
amdepyc_7763_firmwareRange<milanpi-sp3_1.0.0.4
AND
amdepyc_7763Match-
Node
amdepyc_7232p_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7232pMatch-
Node
amdepyc_7252_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7252Match-
Node
amdepyc_7262_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7262Match-
Node
amdepyc_7272_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7272Match-
Node
amdepyc_7282_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7282Match-
Node
amdepyc_7302_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7302Match-
Node
amdepyc_7302p_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7302pMatch-
Node
amdepyc_7352_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7352Match-
Node
amdepyc_7402_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7402Match-
Node
amdepyc_7402p_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7402pMatch-
Node
amdepyc_7452_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7452Match-
Node
amdepyc_7502_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7502Match-
Node
amdepyc_7502p_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7502pMatch-
Node
amdepyc_7532_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7532Match-
Node
amdepyc_7542_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7542Match-
Node
amdepyc_7552_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7552Match-
Node
amdepyc_7642_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7642Match-
Node
amdepyc_7662_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7662Match-
Node
amdepyc_7702_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7702Match-
Node
amdepyc_7702p_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7702pMatch-
Node
amdepyc_7742_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7742Match-
Node
amdepyc_7f32_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7f32Match-
Node
amdepyc_7f52_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7f52Match-
Node
amdepyc_7f72_firmwareRange<romepi-sp3_1.0.0.c
AND
amdepyc_7f72Match-

CNA Affected

[
  {
    "product": "2nd Gen AMD EPYC™",
    "vendor": "AMD",
    "versions": [
      {
        "lessThan": "RomePI-SP3_1.0.0.C",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "3rd Gen AMD EPYC™",
    "vendor": "AMD",
    "versions": [
      {
        "lessThan": "MilanPI-SP3_1.0.0.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.4 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

Related for CVE-2020-12961