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CVE-2021-30823 (GCVE-0-2021-30823)

Vulnerability from cvelistv5 – Published: 2021-10-28 18:17 – Updated: 2024-08-03 22:48
VLAI
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.
CWE
  • An attacker in a privileged network position may be able to bypass HSTS
Impacted products
Vendor Product Version CPE status
Apple iOS and iPadOS Affected: unspecified , < 14.8 (custom)
guessed Create a notification for this product.
Apple tvOS Affected: unspecified , < 15 (custom)
guessed Create a notification for this product.
Apple Safari Affected: unspecified , < 15 (custom)
guessed Create a notification for this product.
Apple watchOS Affected: unspecified , < 8 (custom)
guessed Create a notification for this product.
Apple macOS Affected: unspecified , < 12.0 (custom)
guessed Create a notification for this product.
Show details on NVD website

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            "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"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T15:54:35+00:00",
      "cve": "CVE-2021-30823",
      "id": "CVE-2021-30823",
      "initial_release_date": "2021-12-20T00:00:00+00:00",
      "product_status:fixed": "70",
      "product_status:known_affected": "9",
      "product_status:known_not_affected": "5",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "webkitgtk: Logic issue leading to HSTS bypass",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-30823.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-05T01:05:12Z",
      "cve": "CVE-2021-30823",
      "id": "CVE-2021-30823",
      "initial_release_date": "2023-02-15T03:41:36Z",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "10",
      "product_status:recommended": "911",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-30823",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-30823.json",
      "version": "19"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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