Vulnerability-Lookup

FKIE_CVE-2021-30717

Vulnerability from fkie_nvd - Published: 2021-09-08 15:15 - Updated: 2026-06-17 03:50

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An attacker in a privileged network position may be able to execute arbitrary code.

References

URL	Tags
product-security@apple.com	https://support.apple.com/en-us/HT212529	Release Notes, Vendor Advisory
product-security@apple.com	https://support.apple.com/en-us/HT212530	Release Notes, Vendor Advisory
product-security@apple.com	https://support.apple.com/en-us/HT212531	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://support.apple.com/en-us/HT212529	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://support.apple.com/en-us/HT212530	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://support.apple.com/en-us/HT212531	Release Notes, Vendor Advisory

Impacted products

Vendor	Product	Version
apple	mac_os_x	*
apple	mac_os_x	*
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	macos	*

JSON

To clipboard

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            {
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An attacker in a privileged network position may be able to execute arbitrary code."
    },
    {
      "lang": "es",
      "value": "Se abord\u00f3 un problema de corrupci\u00f3n de la memoria con una administraci\u00f3n de estado mejorada. Este problema es corregido en macOS Big Sur versi\u00f3n 11.4, Security Update 2021-003 Catalina y Security Update 2021-004 Mojave. Un atacante en una posici\u00f3n de red privilegiada puede ser capaz de ejecutar c\u00f3digo arbitrario"
    }
  ],
  "id": "CVE-2021-30717",
  "lastModified": "2026-06-17T03:50:45.237",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
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          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-09-08T15:15:16.090",
  "references": [
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      "source": "product-security@apple.com",
      "tags": [
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        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/HT212529"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
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      ],
      "source": "nvd@nist.gov",
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  ]
}

CVE-2021-30717 (GCVE-0-2021-30717)

Vulnerability from cvelistv5 – Published: 2021-09-08 14:27 – Updated: 2024-08-03 22:40

Summary

Severity

No CVSS data available.

CWE

An attacker in a privileged network position may be able to execute arbitrary code

Assigner

apple mitre root

References

3 references

URL	Tags
https://support.apple.com/en-us/HT212529	x_refsource_MISC
https://support.apple.com/en-us/HT212530	x_refsource_MISC
https://support.apple.com/en-us/HT212531	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
Apple	macOS	Affected: unspecified , < 11.4 (custom)
Apple	macOS	Affected: unspecified , < 2021 (custom)

Show details on NVD website

JSON

To clipboard

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    "cna": {
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

FKIE_CVE-2021-30717

CVE-2021-30717 (GCVE-0-2021-30717)

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Related by attack behaviour