CVE-2021-30858
HIGH
8,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM
6,8
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial
Description
AI Translation Available
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0079
Percentile
0,7th
Updated
EPSS Score Trend (Last 90 Days)
416
Use After Free
StableCommon Consequences
Security Scopes Affected:
Integrity
Availability
Confidentiality
Potential Impacts:
Modify Memory
Dos: Crash, Exit, Or Restart
Execute Unauthorized Code Or Commands
Applicable Platforms
Languages:
C, C++, Memory-Unsafe
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Iphone Os by Apple
Version Range Affected
From
13.0
(inclusive)
To
14.8
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Iphone Os by Apple
Version Range Affected
To
12.5.5
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Macos by Apple
Version Range Affected
To
11.6
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Ipados by Apple
Version Range Affected
From
13.1
(inclusive)
To
14.8
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Fedora by Fedoraproject
CPE Identifier
View Detailed Analysis
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Fedora by Fedoraproject
CPE Identifier
View Detailed Analysis
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
http://seclists.org/fulldisclosure/2021/Sep/25
http://seclists.org/fulldisclosure/2021/Sep/27
http://seclists.org/fulldisclosure/2021/Sep/29
http://seclists.org/fulldisclosure/2021/Sep/38
http://seclists.org/fulldisclosure/2021/Sep/39
http://seclists.org/fulldisclosure/2021/Sep/50
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://support.apple.com/en-us/HT212804
https://support.apple.com/en-us/HT212807
https://support.apple.com/kb/HT212824
https://www.debian.org/security/2021/dsa-4975
https://www.debian.org/security/2021/dsa-4976
http://www.openwall.com/lists/oss-security/2021/09/20/1
http://www.openwall.com/lists/oss-security/2021/10/26/9
http://www.openwall.com/lists/oss-security/2021/10/27/1
http://www.openwall.com/lists/oss-security/2021/10/27/2
http://www.openwall.com/lists/oss-security/2021/10/27/4
http://seclists.org/fulldisclosure/2021/Sep/25
http://seclists.org/fulldisclosure/2021/Sep/27
http://seclists.org/fulldisclosure/2021/Sep/29
http://seclists.org/fulldisclosure/2021/Sep/38
http://seclists.org/fulldisclosure/2021/Sep/39
http://seclists.org/fulldisclosure/2021/Sep/50
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://support.apple.com/en-us/HT212804
https://support.apple.com/en-us/HT212807
https://support.apple.com/kb/HT212824
https://www.debian.org/security/2021/dsa-4975
https://www.debian.org/security/2021/dsa-4976
http://www.openwall.com/lists/oss-security/2021/09/20/1
http://www.openwall.com/lists/oss-security/2021/10/26/9
http://www.openwall.com/lists/oss-security/2021/10/27/1
http://www.openwall.com/lists/oss-security/2021/10/27/2
http://www.openwall.com/lists/oss-security/2021/10/27/4