CVE-2021-1780

CVSS V2 Medium 4.9 CVSS V3 Medium 4.4

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 14.4 and iPadOS 14.4. An attacker in a privileged position may be able to perform a denial of service attack.

Overview

CVE ID
CVE-2021-1780

Assigner
product-security@apple.com

Vulnerability Status
Analyzed

Published Version
2021-04-02T18:15:21

Last Modified Date
2021-04-09T17:52:16

Weakness Enumerations

CWE	URL
CWE-665	http://cwe.mitre.org/data/definitions/665.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:apple:ipados::::::::	1	OR		14.4
cpe:2.3:o:apple:iphone_os::::::::	1	OR		14.4

CVSS Version 2

Version
2.0

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

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
COMPLETE

Base Score
4.9

Severity
MEDIUM

Exploitability Score
3.9

Impact Score
6.9

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
HIGH

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
4.4

Base Severity
MEDIUM

Exploitability Score
0.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://support.apple.com/en-us/HT212146	Release Notes Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-1780
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1780

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:16:22				Added to TrackCVE
2022-12-06 01:02:07	2021-04-02T18:15Z	2021-04-02T18:15:21	CVE Published Date	updated
2022-12-06 01:02:07		2021-04-09T17:52:16	CVE Modified Date	updated
2022-12-06 01:02:07		Analyzed	Vulnerability Status	updated