CVE-2021-30856

CVSS V2 Medium 5.8 CVSS V3 Critical 9.1

Description

This issue was addressed by adding a new Remote Login option for opting into Full Disk Access for Secure Shell sessions. This issue is fixed in macOS Big Sur 11.3. A malicious unsandboxed app on a system with Remote Login enabled may bypass Privacy preferences.

Overview

CVE ID
CVE-2021-30856

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2021-08-24T19:15:14

Last Modified Date
2022-03-25T16:48:30

Weakness Enumerations

CWE	URL
CWE-863	http://cwe.mitre.org/data/definitions/863.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:apple:macos::::::::	1	OR	11.0	11.3

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:P/I:P/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
5.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
4.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
9.1

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.2

References

Reference URL	Reference Tags
https://support.apple.com/en-us/HT212325	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-30856
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30856

History

Created	Old Value	New Value	Data Type	Notes
2022-04-04 00:42:10				Added to TrackCVE
2022-12-05 08:51:53	2021-08-24T19:15Z	2021-08-24T19:15:14	CVE Published Date	updated
2022-12-05 08:51:53		2022-03-25T16:48:30	CVE Modified Date	updated
2022-12-05 08:51:53		Analyzed	Vulnerability Status	updated