Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
None
Attack Vector
Network
0

CVE-2021-30851

Disclosure Date: August 24, 2021
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.

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CVSS V3 Severity and Metrics
Base Score:
8.8 High
Impact Score:
5.9
Exploitability Score:
2.8
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • apple,
  • debian,
  • fedoraproject

Products

  • debian linux 10.0,
  • debian linux 11.0,
  • fedora 33,
  • fedora 34,
  • ipados,
  • iphone os,
  • macos,
  • macos 12.0.1,
  • safari,
  • tvos,
  • watchos
Technical Analysis