Vulnerability-Lookup

GHSA-P88F-G9M7-HV9C

Vulnerability from github – Published: 2022-01-14 00:02 – Updated: 2026-06-05 21:31

Details

Trusted Firmware-M (TF-M) 1.4.0, when Profile Small is used, has incorrect access control. NSPE can access a secure key (held by the Crypto service) based solely on knowledge of its key ID. For example, there is no authorization check associated with the relationship between a caller and a key owner.

Severity

5.9 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-40327"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-01-13T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Trusted Firmware-M (TF-M) 1.4.0, when Profile Small is used, has incorrect access control. NSPE can access a secure key (held by the Crypto service) based solely on knowledge of its key ID. For example, there is no authorization check associated with the relationship between a caller and a key owner.",
  "id": "GHSA-p88f-g9m7-hv9c",
  "modified": "2026-06-05T21:31:50Z",
  "published": "2022-01-14T00:02:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-40327"
    },
    {
      "type": "WEB",
      "url": "https://developer.arm.com/support/arm-security-updates"
    },
    {
      "type": "WEB",
      "url": "https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git"
    },
    {
      "type": "WEB",
      "url": "https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/profile_small_key_id_encoding_vulnerability.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-40327 (GCVE-0-2021-40327)

Vulnerability from cvelistv5 – Published: 2022-01-13 15:31 – Updated: 2024-08-04 02:27

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

3 references

URL	Tags
https://developer.arm.com/support/arm-security-updates	x_refsource_MISC
https://git.trustedfirmware.org/TF-M/trusted-firm…	x_refsource_MISC
https://tf-m-user-guide.trustedfirmware.org/docs/…	x_refsource_CONFIRM

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:27:31.913Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://developer.arm.com/support/arm-security-updates"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/profile_small_key_id_encoding_vulnerability.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
      ],
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          "lang": "en",
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        }
      ],
      "problemTypes": [
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              "type": "text"
            }
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        "shortName": "mitre"
      },
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        },
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          ],
          "url": "https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/"
        },
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          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/profile_small_key_id_encoding_vulnerability.html"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-40327",
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        },
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          "vendor": {
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                "product": {
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                      "version": {
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                      }
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                "vendor_name": "n/a"
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            }
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        },
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            },
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            },
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "dateReserved": "2021-08-30T00:00:00.000Z",
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}

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.

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GHSA-P88F-G9M7-HV9C

CVE-2021-40327 (GCVE-0-2021-40327)

Tags

Sightings

Nomenclature