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6.5
CVSSv3

CVE-2021-1857

Published: 08/09/2021 Updated: 16/09/2021
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
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Vulnerability Summary

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may disclose sensitive user information.

Vulnerability Trend

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apple icloud

apple itunes

apple ipados

apple iphone os

apple mac os x 10.14

apple mac os x 10.14.0

apple mac os x 10.14.1

apple mac os x 10.14.2

apple mac os x 10.14.3

apple mac os x 10.14.4

apple mac os x 10.14.5

apple mac os x 10.14.6

apple mac os x 10.15

apple mac os x 10.15.1

apple mac os x 10.15.2

apple mac os x 10.15.3

apple mac os x 10.15.4

apple mac os x 10.15.5

apple mac os x 10.15.6

apple mac os x 10.15.7

apple macos

apple tvos

apple watchos

Mailing Lists

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-2021-04-26-9 iTunes 12.11.3 for Windows
<!--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-2021-04-26-9 iTunes 12113 for Windows <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Pr ...
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-665https://support.apple.com/en-us/HT212321https://support.apple.com/en-us/HT212319https://support.apple.com/en-us/HT212327https://support.apple.com/en-us/HT212317https://support.apple.com/en-us/HT212325https://support.apple.com/en-us/HT212326https://support.apple.com/en-us/HT212323https://support.apple.com/en-us/HT212324https://nvd.nist.govhttp://seclists.org/fulldisclosure/2021/Apr/56
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2022-48654CVE-2024-2757authentication bypassCVE-2024-3194CVE-2024-33640CVE-2024-21111dosinsecure direct object referenceCVE-2024-21345
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