FKIE_CVE-2021-30823

Vulnerability from fkie_nvd - Published: 2021-10-28 19:15 - Updated: 2026-06-17 03:50
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 14.8 and iPadOS 14.8, tvOS 15, Safari 15, watchOS 8. An attacker in a privileged network position may be able to bypass HSTS.
References
product-security@apple.comhttp://www.openwall.com/lists/oss-security/2021/12/20/6Mailing List, Third Party Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212807Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212815Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212816Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212819Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212869Vendor Advisory
product-security@apple.comhttps://support.apple.com/kb/HT212953Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/12/20/6Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212807Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212815Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212816Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212819Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212869Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT212953Vendor Advisory
Impacted products
Vendor Product Version
apple safari *
apple ipados *
apple iphone_os *
apple macos *
apple tvos *
apple watchos *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "iOS and iPadOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "14.8",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "tvOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "15",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Safari",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "15",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "watchOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "8",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "12.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "product-security@apple.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "83B0206D-A14B-4BD7-809F-812E7EFE0C1C",
              "versionEndExcluding": "15.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FCD67B72-0B1D-46A8-A149-8149ED749FEC",
              "versionEndExcluding": "14.8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "56F86481-D995-43D7-982F-5DC6E4682A65",
              "versionEndExcluding": "14.8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "579B2A0D-A84F-45C2-B545-35ECEA3297DA",
              "versionEndExcluding": "12.0.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B32A978E-673C-421D-93A1-CA84D90B67E4",
              "versionEndExcluding": "15.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5364285F-B3F2-465B-B738-2FC1C8913A44",
              "versionEndExcluding": "8.0",
              "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 Monterey 12.0.1, iOS 14.8 and iPadOS 14.8, tvOS 15, Safari 15, watchOS 8. An attacker in a privileged network position may be able to bypass HSTS."
    },
    {
      "lang": "es",
      "value": "Se abord\u00f3 un problema de l\u00f3gica con restricciones mejoradas. Este problema se corrigi\u00f3 en macOS Monterey versi\u00f3n 12.0.1, iOS versi\u00f3n 14.8 y iPadOS versi\u00f3n 14.8, tvOS versi\u00f3n 15, Safari versi\u00f3n 15, watchOS versi\u00f3n 8. Un atacante en una posici\u00f3n de red privilegiada puede ser capaz de omitir HSTS"
    }
  ],
  "id": "CVE-2021-30823",
  "lastModified": "2026-06-17T03:50:57.290",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-10-28T19:15:09.090",
  "references": [
    {
      "source": "product-security@apple.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2021/12/20/6"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212807"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212815"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212816"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212819"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212869"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/kb/HT212953"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2021/12/20/6"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212807"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212815"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212816"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212819"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212869"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/kb/HT212953"
    }
  ],
  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.
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  • 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.



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