CVE-2021-30677 : This issue was addressed with improved environment sanitization. This issue is f

This issue was addressed with improved environment sanitization. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to break out of its sandbox.

Published 2021-09-08 15:15:14

Updated 2021-11-03 20:22:43

Source Apple Inc.

View at NVD, CVE.org

Products affected by CVE-2021-30677

Apple » Mac Os X
Versions from including (>=) 10.15 and up to, including, (<=) 10.15.6
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Matching versions
Apple » Mac Os X
Versions from including (>=) 10.14 and up to, including, (<=) 10.14.5
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6
cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-001
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-002
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-006
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-007
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-001
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-002
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-003
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-004
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-005
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-006
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2020-007
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Supplemental Update
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Supplemental Update 2
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020-001
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Supplemental Update
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-004
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2019-005
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020-005
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2020-007
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2021-001
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2021-002
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2021-001
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2021-003
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.14.6 Update Security Update 2021-004
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-004:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2021-002
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2021-003
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
Matching versions
Apple » Iphone Os
Versions before (<) 14.6
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Matching versions
Apple » Watchos
Versions before (<) 7.5
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Matching versions
Apple » Tvos
Versions before (<) 14.6
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Matching versions
Apple » Macos
Versions from including (>=) 11.0 and before (<) 11.4
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Matching versions
Apple » Ipados
Versions before (<) 14.6
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-30677

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 12 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-30677

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	2.0	6.0	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High

References for CVE-2021-30677

https://support.apple.com/en-us/HT212533

About the security content of watchOS 7.5 - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT212528

About the security content of iOS 14.6 and iPadOS 14.6 - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT212532

About the security content of tvOS 14.6 - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT212603

About the security content of Security Update 2021-005 Mojave - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT212600

About the security content of Security Update 2021-004 Catalina - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT212529

About the security content of macOS Big Sur 11.4 - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url
https://support.apple.com/kb/HT212602

About the security content of macOS Big Sur 11.5 - Apple Support
Release Notes;Vendor Advisory

CVEs referencing this url

Jump to

Vulnerability Details : CVE-2021-30677

Products affected by CVE-2021-30677

Exploit prediction scoring system (EPSS) score for CVE-2021-30677

CVSS scores for CVE-2021-30677

References for CVE-2021-30677