CVE-2021-1871
Vulnerability from cvelistv5
Published
2021-04-02 18:06
Modified
2025-01-29 17:33
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS score ?
1.00% (0.75057)
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..
References
product-security@apple.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/Mailing List
product-security@apple.comhttps://support.apple.com/en-us/HT212146Vendor Advisory, Release Notes
product-security@apple.comhttps://support.apple.com/en-us/HT212147Vendor Advisory, Release Notes
product-security@apple.comhttps://www.debian.org/security/2021/dsa-4923Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/Mailing List
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212146Vendor Advisory, Release Notes
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212147Vendor Advisory, Release Notes
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4923Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
Apple iOS and iPadOS Version: unspecified   < 14.4
 Create a notification for this product.
   Apple macOS Version: unspecified   < 11.2
 Create a notification for this product.
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2021-11-17

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-1871

Show details on NVD website

To clipboard 

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   },
}


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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
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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.).



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Taxonomy of the tags.




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.