Vulnerability-Lookup

FKIE_CVE-2021-30672

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

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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 2021-004 Catalina, Security Update 2021-005 Mojave. A malicious application may be able to gain root privileges.

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/HT212600	Release Notes, Vendor Advisory
product-security@apple.com	https://support.apple.com/en-us/HT212603	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/HT212600	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://support.apple.com/en-us/HT212603	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	10.14.6
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	mac_os_x	10.15.7
apple	macos	*

JSON

To clipboard

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            {
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  "descriptions": [
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      "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 2021-004 Catalina, Security Update 2021-005 Mojave. A malicious application may be able to gain root privileges."
    },
    {
      "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 2021-004 Catalina, Security Update 2021-005 Mojave. Una aplicaci\u00f3n maliciosa podr\u00eda alcanzar privilegios de root"
    }
  ],
  "id": "CVE-2021-30672",
  "lastModified": "2026-06-17T03:50:39.980",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.3,
          "confidentialityImpact": "COMPLETE",
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        "impactScore": 10.0,
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        "obtainOtherPrivilege": false,
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          "baseScore": 7.8,
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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  "published": "2021-09-08T15:15:13.780",
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  "vulnStatus": "Modified",
  "weaknesses": [
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  ]
}

CVE-2021-30672 (GCVE-0-2021-30672)

Vulnerability from cvelistv5 – Published: 2021-09-08 14:25 – Updated: 2024-08-03 22:40

Summary

Severity

No CVSS data available.

CWE

A malicious application may be able to gain root privileges

Assigner

apple mitre root

References

3 references

URL	Tags
https://support.apple.com/en-us/HT212600	x_refsource_MISC
https://support.apple.com/en-us/HT212603	x_refsource_MISC
https://support.apple.com/en-us/HT212529	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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    "dateReserved": "2021-04-13T00:00:00.000Z",
    "dateUpdated": "2024-08-03T22:40:31.843Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.