Vulnerability Details : CVE-2021-30842
This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
Products affected by CVE-2021-30842
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-30842
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-30842
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
References for CVE-2021-30842
-
https://support.apple.com/en-us/HT212804
About the security content of macOS Big Sur 11.6 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/en-us/HT212807
About the security content of iOS 14.8 and iPadOS 14.8 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/en-us/HT212814
About the security content of iOS 15 and iPadOS 15 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/en-us/HT212805
About the security content of Security Update 2021-005 Catalina - Apple SupportRelease Notes;Vendor Advisory
-
http://seclists.org/fulldisclosure/2021/Oct/62
Full Disclosure: APPLE-SA-2021-10-26-10 Additional information for APPLE-SA-2021-09-20-2 watchOS 8Mailing List;Release Notes;Third Party Advisory
-
http://seclists.org/fulldisclosure/2021/Oct/61
Full Disclosure: APPLE-SA-2021-10-26-9 Additional information for APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15Mailing List;Release Notes;Third Party Advisory
-
https://support.apple.com/en-us/HT212819
About the security content of watchOS 8 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/en-us/HT212815
About the security content of tvOS 15 - Apple SupportRelease Notes;Vendor Advisory
-
http://seclists.org/fulldisclosure/2021/Oct/63
Full Disclosure: APPLE-SA-2021-10-26-11 Additional information for APPLE-SA-2021-09-20-3 tvOS 15Mailing List;Release Notes;Third Party Advisory
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