fkie_cve-2021-1871
Vulnerability from fkie_nvd
Published
2021-04-02 19:15
Modified
2025-02-28 14:49
Summary
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
Impacted products



{
   cisaActionDue: "2021-11-17",
   cisaExploitAdd: "2021-11-03",
   cisaRequiredAction: "Apply updates per vendor instructions.",
   cisaVulnerabilityName: "Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability",
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "17AAEA98-4C05-496E-81A7-AC031FCDDDA5",
                     versionEndExcluding: "14.4",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "062166D7-2444-4022-B7E4-13884C43EDCA",
                     versionEndExcluding: "14.4",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "DB8A73F8-3074-4B32-B9F6-343B6B1988C5",
                     versionEndExcluding: "10.15.7",
                     versionStartIncluding: "10.15",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*",
                     matchCriteriaId: "A654B8A2-FC30-4171-B0BB-366CD7ED4B6A",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*",
                     matchCriteriaId: "F12CC8B5-C1EB-419E-8496-B9A3864656AD",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*",
                     matchCriteriaId: "C1C795B9-E58D-467C-83A8-2D45C792292F",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "084F8722-A895-4FC2-821E-DF0B129653BC",
                     versionEndExcluding: "11.2",
                     versionStartIncluding: "11.0.1",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                     matchCriteriaId: "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                     matchCriteriaId: "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..",
      },
      {
         lang: "es",
         value: "Se abordó un problema de lógica con unas restricciones mejoradas. Este problema es corregido en macOS Big Sur versión 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS versión 14.4 y iPadOS versión 14.4. Un atacante remoto puede conllevar a una ejecución de código arbitraria. Apple tiene conocimiento de un reporte que indica que este problema puede haber sido explotado activamente.",
      },
   ],
   id: "CVE-2021-1871",
   lastModified: "2025-02-28T14:49:26.943",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "HIGH",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 7.5,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "PARTIAL",
               vectorString: "AV:N/AC:L/Au:N/C:P/I:P/A:P",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 6.4,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 9.8,
               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:H",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 9.8,
               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:H",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 5.9,
            source: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            type: "Secondary",
         },
      ],
   },
   published: "2021-04-02T19:15:20.663",
   references: [
      {
         source: "product-security@apple.com",
         tags: [
            "Mailing List",
         ],
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/",
      },
      {
         source: "product-security@apple.com",
         tags: [
            "Vendor Advisory",
            "Release Notes",
         ],
         url: "https://support.apple.com/en-us/HT212146",
      },
      {
         source: "product-security@apple.com",
         tags: [
            "Vendor Advisory",
            "Release Notes",
         ],
         url: "https://support.apple.com/en-us/HT212147",
      },
      {
         source: "product-security@apple.com",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "https://www.debian.org/security/2021/dsa-4923",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
         ],
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Vendor Advisory",
            "Release Notes",
         ],
         url: "https://support.apple.com/en-us/HT212146",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Vendor Advisory",
            "Release Notes",
         ],
         url: "https://support.apple.com/en-us/HT212147",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "https://www.debian.org/security/2021/dsa-4923",
      },
   ],
   sourceIdentifier: "product-security@apple.com",
   vulnStatus: "Analyzed",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "NVD-CWE-noinfo",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.