CVE-2021-21045

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

11/02/2021

Last modified:

21/10/2022

Description

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an improper access control vulnerability. An unauthenticated attacker could leverage this vulnerability to elevate privileges in the context of the current user.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.20 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

8.20

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.30 HIGH
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

9.30

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:adobe:acrobat:::::classic:::*	17.0 (including)	17.011.30188 (including)
cpe:2.3:a:adobe:acrobat:::::classic:::*	20.0 (including)	20.001.30018 (including)
cpe:2.3:a:adobe:acrobat_dc:::::continuous:::*		20.013.20074 (including)
cpe:2.3:a:adobe:acrobat_reader:::::classic:::*	17.0 (including)	17.011.30188 (including)
cpe:2.3:a:adobe:acrobat_reader:::::classic:::*	20.0 (including)	20.001.300183 (including)
cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous:::*		20.013.20074 (including)
cpe:2.3:o:apple:macos:-:::::::*
cpe:2.3:o:microsoft:windows:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

https://helpx.adobe.com/security/products/acrobat/apsb21-09.html