Vulnerability-Lookup

FKIE_CVE-2021-25470

Vulnerability from fkie_nvd - Published: 2021-10-06 18:15 - Updated: 2026-06-17 03:42

Severity

7.9 (High) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
7.9 (High) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

Summary

An improper caller check logic of SMC call in TEEGRIS secure OS prior to SMR Oct-2021 Release 1 can be used to compromise TEE.

References

	URL	Tags
	mobile.security@samsung.com	https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10	Vendor Advisory

Impacted products

Vendor	Product	Version
google	android	9.0
google	android	10.0
google	android	11.0
samsung	exynos	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Samsung Mobile Devices",
          "vendor": "Samsung Mobile",
          "versions": [
            {
              "lessThan": "SMR Oct-2021 Release 1",
              "status": "affected",
              "version": "Select P(9.0), Q(10.0), R(11.0) devices with Exynos and Mediatek chipsets",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "mobile.security@samsung.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "8DFAAD08-36DA-4C95-8200-C29FE5B6B854",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:samsung:exynos:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E04D5D21-1755-4766-8302-A0BE61EE9F43",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper caller check logic of SMC call in TEEGRIS secure OS prior to SMR Oct-2021 Release 1 can be used to compromise TEE."
    },
    {
      "lang": "es",
      "value": "Una l\u00f3gica de comprobaci\u00f3n inapropiada de la llamada al SMC en TEEGRIS secure OS versiones anteriores a SMR Oct-2021 Release 1, puede usarse para comprometer el TEE"
    }
  ],
  "id": "CVE-2021-25470",
  "lastModified": "2026-06-17T03:42:08.650",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 3.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 7.9,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.5,
        "impactScore": 5.8,
        "source": "mobile.security@samsung.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 7.9,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.5,
        "impactScore": 5.8,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-10-06T18:15:08.717",
  "references": [
    {
      "source": "mobile.security@samsung.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=10"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=10"
    }
  ],
  "sourceIdentifier": "mobile.security@samsung.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "mobile.security@samsung.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-25470 (GCVE-0-2021-25470)

Vulnerability from cvelistv5 – Published: 2021-10-06 17:07 – Updated: 2024-08-03 20:03

Summary

An improper caller check logic of SMC call in TEEGRIS secure OS prior to SMR Oct-2021 Release 1 can be used to compromise TEE.

Severity

7.9 (High)


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

CWE

CWE-94 - Improper Control of Generation of Code

Assigner

Samsung Mobile

References

1 reference

URL	Tags
https://security.samsungmobile.com/securityUpdate…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Samsung Mobile	Samsung Mobile Devices	Affected: Select P(9.0), Q(10.0), R(11.0) devices with Exynos and Mediatek chipsets , < SMR Oct-2021 Release 1 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:03:05.603Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=10"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Samsung Mobile Devices",
          "vendor": "Samsung Mobile",
          "versions": [
            {
              "lessThan": "SMR Oct-2021 Release 1",
              "status": "affected",
              "version": "Select P(9.0), Q(10.0), R(11.0) devices with Exynos and Mediatek chipsets",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An improper caller check logic of SMC call in TEEGRIS secure OS prior to SMR Oct-2021 Release 1 can be used to compromise TEE."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.9,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "CWE-94: Improper Control of Generation of Code",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-06T17:07:52.000Z",
        "orgId": "3af57064-a867-422c-b2ad-40307b65c458",
        "shortName": "Samsung Mobile"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=10"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "mobile.security@samsung.com",
          "ID": "CVE-2021-25470",
          "STATE": "PUBLIC"
        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Samsung Mobile Devices",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "Select P(9.0), Q(10.0), R(11.0) devices with Exynos and Mediatek chipsets",
                            "version_value": "SMR Oct-2021 Release 1"
                          }
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                      }
                    }
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                },
                "vendor_name": "Samsung Mobile"
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            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
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            "version": "3.1"
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        "problemtype": {
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            }
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.