CVE-2021-39828

Adobe Digital Editions Installer flaw leads to Local Privilege Escalation

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Adobe Digital Editions 4.5.11.187646 (and earlier) are affected by a privilege escalation vulnerability in the Digital Editions installer. An authenticated attacker could leverage this vulnerability to escalate privileges. User interaction is required before product installation to abuse this vulnerability.

Adobe Digital Editions versiones 4.5.11.187646 (y anteriores), están afectadas por una vulnerabilidad de escalada de privilegios en el instalador de Digital Editions. Un atacante autenticado podría aprovechar esta vulnerabilidad para escalar privilegios. Es requerida una interacción del usuario antes de la instalación del producto para abusar de esta vulnerabilidad

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-23 CVE Reserved
2021-09-27 CVE Published
2023-04-20 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-379: Creation of Temporary File in Directory with Insecure Permissions

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://helpx.adobe.com/security/products/Digital-Editions/apsb21-80.html	2021-10-01

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"	Digital Editions Search vendor "Adobe" for product "Digital Editions"	<= 4.5.11.187646 Search vendor "Adobe" for product "Digital Editions" and version " <= 4.5.11.187646"	-	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe