Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-30681

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to gain root privileges.

Published

2021-09-08T15:15:14.307

Last Modified

2024-11-21T06:04:25.820

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 14.6	Yes
Operating System	apple	iphone_os	< 14.6	Yes
Operating System	apple	mac_os_x	≤ 10.14.5	Yes
Operating System	apple	mac_os_x	≤ 10.15.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	macos	< 11.4	Yes
Operating System	apple	watchos	< 7.5	Yes

References

https://support.apple.com/en-us/HT212528 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212529 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212530 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212531 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212533 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212528 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212529 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212530 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212531 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212533 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)