CVE-2021-38106

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

UAX200.dll in Corel Presentations 2020 20.0.0.200 is affected by an Out-of-bounds Read vulnerability when parsing a crafted file. An unauthenticated attacker could leverage this vulnerability to access unauthorized system memory in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious PPT file.

La biblioteca UAX200.dll en Corel Presentations 2020 versión 20.0.0.200, está afectado por una vulnerabilidad de lectura fuera de límites cuando analiza un archivo diseñado. Un atacante no autenticado podría aprovechar esta vulnerabilidad para acceder a la memoria del sistema no autorizada en el contexto del usuario actual. Una explotación de este problema requiere una interacción del usuario, ya que la víctima debe abrir un archivo PPT malicioso

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-04 CVE Reserved
2021-10-01 CVE Published
2024-06-16 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (2)

URL	Tag	Source
https://www.fortiguard.com/zeroday/FG-VD-21-034	Third Party Advisory
https://www.fortinet.com/blog/threat-research/fortinet-security-researcher-discovers-multiple-vulnerabilities-across-multiple-corel-products	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Corel Search vendor "Corel"		Presentations 2020 Search vendor "Corel" for product "Presentations 2020"				20.0.0.200 Search vendor "Corel" for product "Presentations 2020" and version "20.0.0.200"		-		Affected