Vulnerability-Lookup

VAR-202112-0548

Vulnerability from variot - Updated: 2025-02-14 23:12

An improper check or handling of exceptional conditions in Exynos baseband prior to SMR Dec-2021 Release 1 allows attackers to track locations. Android Exists in a vulnerability in handling exceptional conditions.Information may be obtained. Samsung RRC MeasurementReport is a radio resource control protocol measurement report for Samsung mobile devices. The vulnerability is caused by the lack of correct RRC security variable checks in the Exynos baseband. Attackers can use this vulnerability to track location

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CVE-2021-25516 (GCVE-0-2021-25516)

Vulnerability from cvelistv5 – Published: 2021-12-08 14:19 – Updated: 2024-08-03 20:11

Summary

An improper check or handling of exceptional conditions in Exynos baseband prior to SMR Dec-2021 Release 1 allows attackers to track locations.

Severity

6.4 (Medium)


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

CWE

CWE-703 - Improper Check or Handling of Exceptional Conditions

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: P(9.0), Q(10.0), R(11.0) devices with selected Exynos chipsets , < SMR Dec-2021 Release 1 (custom)

Show details on NVD website

JSON

To clipboard

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          "value": "An improper check or handling of exceptional conditions in Exynos baseband prior to SMR Dec-2021 Release 1 allows attackers to track locations."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-703",
              "description": "CWE-703: Improper Check or Handling of Exceptional Conditions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-08T14:19:55.000Z",
        "orgId": "3af57064-a867-422c-b2ad-40307b65c458",
        "shortName": "Samsung Mobile"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=12"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "mobile.security@samsung.com",
          "ID": "CVE-2021-25516",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Samsung Mobile Devices",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "P(9.0), Q(10.0), R(11.0) devices with selected Exynos chipsets",
                            "version_value": "SMR Dec-2021 Release 1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Samsung Mobile"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An improper check or handling of exceptional conditions in Exynos baseband prior to SMR Dec-2021 Release 1 allows attackers to track locations."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
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                  "value": "CWE-703: Improper Check or Handling of Exceptional Conditions"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=12",
              "refsource": "MISC",
              "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=12"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3af57064-a867-422c-b2ad-40307b65c458",
    "assignerShortName": "Samsung Mobile",
    "cveId": "CVE-2021-25516",
    "datePublished": "2021-12-08T14:19:55.000Z",
    "dateReserved": "2021-01-19T00:00:00.000Z",
    "dateUpdated": "2024-08-03T20:11:26.951Z",
    "state": "PUBLISHED"
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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.

Action not permitted

VAR-202112-0548

CVE-2021-25516 (GCVE-0-2021-25516)

Tags

Sightings

Nomenclature