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5.9
CVSSv3

CVE-2021-1884

Published: 08/09/2021 Updated: 09/01/2023
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 5.9 | Impact Score: 3.6 | Exploitability Score: 2.2
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
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Vulnerability Summary

A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. A remote attacker may be able to cause a denial of service.

Vulnerability Trend

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apple mac os x

apple mac os x 10.14.6

apple mac os x 10.15.7

apple macos

apple iphone os

apple tvos

apple watchos

apple ipados

Mailing Lists

Full Disclosure: APPLE-SA-2021-05-25-3 Security Update 2021-004 Mojave
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-05-25-3 Security Update 2021-004 Mojave <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: App ...
Full Disclosure: APPLE-SA-2021-04-26-5 watchOS 7.4
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-04-26-5 watchOS 74 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Product Security ...
Full Disclosure: APPLE-SA-2021-04-26-1 iOS 14.5 and iPadOS 14.5
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-04-26-1 iOS 145 and iPadOS 145 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Prod ...
Full Disclosure: APPLE-SA-2021-05-25-4 Security Update 2021-003 Catalina
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-05-25-4 Security Update 2021-003 Catalina <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: A ...
Full Disclosure: APPLE-SA-2021-04-26-2 macOS Big Sur 11.3
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-04-26-2 macOS Big Sur 113 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Product Se ...

References

CWE-362https://support.apple.com/en-us/HT212530https://support.apple.com/en-us/HT212531https://support.apple.com/en-us/HT212317https://support.apple.com/en-us/HT212325https://support.apple.com/en-us/HT212323https://support.apple.com/en-us/HT212324https://nvd.nist.govhttp://seclists.org/fulldisclosure/2021/May/65
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-3675CVE-2024-3400CVE-2024-23557mass assignmentCVE-2023-1389local file inclusionCVE-2024-32596file uploadCVE-2024-32593
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