CVE-2021-28545

Acrobat Reader DC Missing Support for Integrity Check

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker would have the ability to completely manipulate data in a certified PDF without invalidating the original certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file.

Las versiones de Acrobat Reader DC 2020.013.20074 (y anteriores), 2020.001.30018 (y anteriores) y 2017.011.30188 (y anteriores) carecen de soporte para una comprobación de integridad. Un atacante no autentificado podría manipular completamente los datos de un PDF certificado sin invalidar la certificación original. La explotación de este problema requiere la interacción del usuario, ya que la víctima debe abrir el archivo manipulado

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-03-16 CVE Reserved
2021-04-01 CVE Published
2024-06-14 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-353: Missing Support for Integrity Check

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://helpx.adobe.com/security/products/acrobat/apsb21-09.html	2021-09-08

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Adobe Search vendor "Adobe"	Acrobat Search vendor "Adobe" for product "Acrobat"	>= 17.011.30059 <= 17.011.30188 Search vendor "Adobe" for product "Acrobat" and version " >= 17.011.30059 <= 17.011.30188"	classic	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Search vendor "Adobe" for product "Acrobat"	>= 17.011.30059 <= 17.011.30188 Search vendor "Adobe" for product "Acrobat" and version " >= 17.011.30059 <= 17.011.30188"	classic	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Search vendor "Adobe" for product "Acrobat"	>= 20.001.30005 <= 20.001.30018 Search vendor "Adobe" for product "Acrobat" and version " >= 20.001.30005 <= 20.001.30018"	classic	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Search vendor "Adobe" for product "Acrobat"	>= 20.001.30005 <= 20.001.30018 Search vendor "Adobe" for product "Acrobat" and version " >= 20.001.30005 <= 20.001.30018"	classic	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Dc Search vendor "Adobe" for product "Acrobat Dc"	>= 15.008.20082 <= 20.013.20074 Search vendor "Adobe" for product "Acrobat Dc" and version " >= 15.008.20082 <= 20.013.20074"	continuous	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Dc Search vendor "Adobe" for product "Acrobat Dc"	>= 15.008.20082 <= 20.013.20074 Search vendor "Adobe" for product "Acrobat Dc" and version " >= 15.008.20082 <= 20.013.20074"	continuous	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Reader Search vendor "Adobe" for product "Acrobat Reader"	>= 17.011.30059 <= 17.011.30188 Search vendor "Adobe" for product "Acrobat Reader" and version " >= 17.011.30059 <= 17.011.30188"	classic	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Reader Search vendor "Adobe" for product "Acrobat Reader"	>= 17.011.30059 <= 17.011.30188 Search vendor "Adobe" for product "Acrobat Reader" and version " >= 17.011.30059 <= 17.011.30188"	classic	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Reader Search vendor "Adobe" for product "Acrobat Reader"	>= 20.001.30005 <= 20.001.30018 Search vendor "Adobe" for product "Acrobat Reader" and version " >= 20.001.30005 <= 20.001.30018"	classic	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Reader Search vendor "Adobe" for product "Acrobat Reader"	>= 20.001.30005 <= 20.001.30018 Search vendor "Adobe" for product "Acrobat Reader" and version " >= 20.001.30005 <= 20.001.30018"	classic	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Reader Dc Search vendor "Adobe" for product "Acrobat Reader Dc"	>= 15.008.20082 <= 20.013.20074 Search vendor "Adobe" for product "Acrobat Reader Dc" and version " >= 15.008.20082 <= 20.013.20074"	continuous	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Adobe Search vendor "Adobe"	Acrobat Reader Dc Search vendor "Adobe" for product "Acrobat Reader Dc"	>= 15.008.20082 <= 20.013.20074 Search vendor "Adobe" for product "Acrobat Reader Dc" and version " >= 15.008.20082 <= 20.013.20074"	continuous	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe