Vulnerability Details : CVE-2021-30796
A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing a maliciously crafted image may lead to a denial of service.
Vulnerability category: Denial of service
Products affected by CVE-2021-30796
- cpe:2.3:o:apple:mac_os_x:10.14.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.5:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*
- 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:10.14.6:security_update_2019-004:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*
- 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:10.14.6:security_update_2021-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.6:-:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.3:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.4:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-004:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.3:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.4:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.5:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.6:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.4:beta4:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-30796
0.55%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-30796
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
References for CVE-2021-30796
-
https://support.apple.com/en-us/HT212602
About the security content of macOS Big Sur 11.5 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212603
About the security content of Security Update 2021-005 Mojave - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212601
About the security content of iOS 14.7 and iPadOS 14.7 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212600
About the security content of Security Update 2021-004 Catalina - Apple SupportVendor Advisory
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