CVE-2021-26315 (GCVE-0-2021-26315)

Vulnerability from cvelistv5 – Published: 2021-11-16 18:12 – Updated: 2024-09-17 01:21
VLAI
Summary
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.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-345 - Insufficient Verification of Data Authenticity
Assigner
AMD
References
Impacted products
Vendor Product Version
AMD 3rd Gen AMD EPYC™ Affected: unspecified , < MilanPI-SP3_1.0.0.4 (custom)
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Date Public
2021-11-09 00:00
Show details on NVD website
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Advisory\"]},{\"url\":\"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.