CVE-2021-1755

CVSS V2 Low 2.1 CVSS V3 Low 2.4

Description

A lock screen issue allowed access to contacts on a locked device. This issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. A person with physical access to an iOS device may be able to access contacts from the lock screen.

Overview

CVE ID
CVE-2021-1755

Assigner
product-security@apple.com

Vulnerability Status
Analyzed

Published Version
2021-04-02T18:15:19

Last Modified Date
2021-04-09T22:13:44

Weakness Enumerations

CWE	URL
CWE-862	http://cwe.mitre.org/data/definitions/862.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:apple:macos::::::::	1	OR		11.0.1

CVSS Version 2

Version
2.0

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

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
2.1

Severity
LOW

Exploitability Score
3.9

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
PHYSICAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
2.4

Base Severity
LOW

Exploitability Score
0.9

Impact Score
1.4

References

Reference URL	Reference Tags
https://support.apple.com/en-us/HT211931	Release Notes Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-1755
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1755

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:16:14				Added to TrackCVE
2022-12-06 01:00:29	2021-04-02T18:15Z	2021-04-02T18:15:19	CVE Published Date	updated
2022-12-06 01:00:29		2021-04-09T22:13:44	CVE Modified Date	updated
2022-12-06 01:00:29		Analyzed	Vulnerability Status	updated