CVE-2021-21099 HIGH

CVE-2021-21099: Adobe InDesign PCX file parsing out-of-bounds write vulnerability could lead to remote code execution

Vendor Adobe
Product InDesign
Weakness CWE-787
Published June 28, 2021
Last update April 23, 2025

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Adobe InDesign version 16.0 (and earlier) is affected by an Out-of-bounds Write vulnerability when parsing a crafted file. An unauthenticated attacker could leverage this vulnerability to achieve remote code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Key dates

02Disclosure timeline

June 28, 2021 CVE published
April 23, 2025 Record updated