CVE-2023-21445 (GCVE-0-2023-21445)

Vulnerability from cvelistv5 – Published: 2023-02-09 00:00 – Updated: 2025-03-24 19:07
VLAI
Summary
Improper access control vulnerability in MyFiles prior to versions 12.2.09 in Android R(11), 13.1.03.501 in Android S(12) and 14.1.00.422 in Android T(13) allows local attacker to write file with MyFiles privilege via implicit intent.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-284 - Improper Access Control
Assigner
References
Impacted products
Vendor Product Version
Samsung Mobile The patch adds proper access control to use explicit intent. Affected: unspecified , < 12.2.09 in Android R(11), 13.1.03.501 in Android S(12) and 14.1.00.422 in Android T(13) (custom)
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Advisory\"]},{\"url\":\"https://security.samsungmobile.com/serviceWeb.smsb?year=2023\u0026month=02\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2025-05-28T23:53:46+00:00",
      "cve": "CVE-2023-21445",
      "id": "CVE-2023-21445",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2023-21445",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-21445.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://security.samsungmobile.com/serviceWeb.smsb?year=2023\u0026month=02\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T09:36:34.538Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-21445\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-03-24T19:07:04.252915Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-03-24T19:07:07.440Z\"}}], \"cna\": {\"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"Samsung Mobile\", \"product\": \"The patch adds proper access control to use explicit intent.\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"12.2.09 in Android R(11), 13.1.03.501 in Android S(12) and 14.1.00.422 in Android T(13)\", \"versionType\": \"custom\"}]}], \"references\": [{\"url\": \"https://security.samsungmobile.com/serviceWeb.smsb?year=2023\u0026month=02\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Improper access control vulnerability in MyFiles prior to versions 12.2.09 in Android R(11), 13.1.03.501 in Android S(12) and 14.1.00.422 in Android T(13) allows local attacker to write file with MyFiles privilege via implicit intent.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-284\", \"description\": \"CWE-284 Improper Access Control\"}]}], \"providerMetadata\": {\"orgId\": \"3af57064-a867-422c-b2ad-40307b65c458\", \"shortName\": \"Samsung Mobile\", \"dateUpdated\": \"2023-02-09T00:00:00.000Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-21445\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-03-24T19:07:12.378Z\", \"dateReserved\": \"2022-11-14T00:00:00.000Z\", \"assignerOrgId\": \"3af57064-a867-422c-b2ad-40307b65c458\", \"datePublished\": \"2023-02-09T00:00:00.000Z\", \"assignerShortName\": \"Samsung Mobile\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.