FKIE_CVE-2023-21455

Vulnerability from fkie_nvd - Published: 2023-03-16 21:15 - Updated: 2026-06-17 05:32
Severity
5.9 (Medium) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message.
References
mobile.security@samsung.comhttps://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=03Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=03Vendor Advisory
Impacted products
Vendor Product Version
samsung exynos_firmware -
samsung exynos -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Samsung Mobile Devices",
          "vendor": "Samsung Mobile",
          "versions": [
            {
              "lessThan": "SMR Mar-2023 Release 1",
              "status": "affected",
              "version": "Select devices using Exynos CP chipsets",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "mobile.security@samsung.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:samsung:exynos_firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "0CFC5A98-2B10-4074-A505-ECD84EA1041B",
              "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": "Improper authorization implementation in Exynos baseband prior to SMR Mar-2023 Release 1 allows incorrect handling of unencrypted message."
    }
  ],
  "id": "CVE-2023-21455",
  "lastModified": "2026-06-17T05:32:38.570",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 4.2,
        "source": "mobile.security@samsung.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-21455",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-26T20:22:44.739691Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-03-16T21:15:11.967",
  "references": [
    {
      "source": "mobile.security@samsung.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2023\u0026month=03"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2023\u0026month=03"
    }
  ],
  "sourceIdentifier": "mobile.security@samsung.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "mobile.security@samsung.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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