CVE-2021-43016

Adobe InCopy NULL Pointer Dereference Application Denial of Service

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Adobe InCopy version 16.4 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Adobe InCopy versión 16.4 (y anteriores), está afectada por una vulnerabilidad de desreferencia de puntero null cuando se analiza un archivo especialmente diseñado. Un atacante no autenticado podría aprovechar esta vulnerabilidad para lograr una denegación de servicio de la aplicación en el contexto del usuario actual. Es requerida una interacción de usuario para la explotación de este problema, ya que la víctima debe abrir un archivo malicioso

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-10-25 CVE Reserved
2021-11-22 CVE Published
2024-06-15 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://helpx.adobe.com/security/products/incopy/apsb21-110.html	2021-11-25

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"	Incopy Search vendor "Adobe" for product "Incopy"	<= 16.4 Search vendor "Adobe" for product "Incopy" and version " <= 16.4"	-	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Adobe Search vendor "Adobe"	Incopy Search vendor "Adobe" for product "Incopy"	<= 16.4 Search vendor "Adobe" for product "Incopy" and version " <= 16.4"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe