Attacker Value
Unknown
0
CVE-2021-30771
0
CVE ID
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CVE-2021-30771
(Last updated October 07, 2023) ▾
MITRE ATT&CK
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Command and Control
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Credential Access
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Description
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, iOS 14.6 and iPadOS 14.6, watchOS 7.5, tvOS 14.6. Processing a maliciously crafted font file may lead to arbitrary code execution.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
7.8 High
Impact Score:
5.9
Exploitability Score:
1.8
Attack Vector (AV):
Local
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
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
iOS and iPadOS 14.6
macOS 11.4
tvOS 14.6
watchOS 7.5
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- apple
Products
- ipados,
- iphone os,
- macos,
- tvos,
- watchos
References
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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