CVE-2021-26315

CVSS V2 Medium 4.6 CVSS V3 High 7.8
Description
When the AMD Platform Security Processor (PSP) boot rom loads, authenticates, and subsequently decrypts an encrypted FW, due to insufficient verification of the integrity of decrypted image, arbitrary code may be executed in the PSP when encrypted firmware images are used.
Overview
  • CVE ID
  • CVE-2021-26315
  • Assigner
  • psirt@amd.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-11-16T19:15:07
  • Last Modified Date
  • 2021-11-18T19:14:30
Weakness Enumerations
CWE URL
CWE-345 http://cwe.mitre.org/data/definitions/345.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:amd:epyc_7003_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7003:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_74f3:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:* 1 OR milanpi-sp3_1.0.0.4
cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-26315
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26315
History
Created Old Value New Value Data Type Notes
2022-05-10 06:45:45 Added to TrackCVE
2022-12-05 14:37:55 2021-11-16T19:15Z 2021-11-16T19:15:07 CVE Published Date updated
2022-12-05 14:37:55 2021-11-18T19:14:30 CVE Modified Date updated
2022-12-05 14:37:55 Analyzed Vulnerability Status updated