CVE-2021-40731

HIGH

Adobe Acrobat Reader DC <21.007.20095 - RCE

Title source: llm
STIX 2.1

Description

Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by an out-of-bounds write vulnerability when parsing a crafted JPEG2000 file, which could result in arbitrary 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.

References (1)

Core 1
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://helpx.adobe.com/security/products/acrobat/apsb21-104.html

Scores

CVSS v3 7.8
EPSS 0.0800
EPSS Percentile 94.1%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-787
Status published
Products (4)
adobe/acrobat 20.001.30005 - 20.004.30015
adobe/acrobat_dc 15.008.20082 - 21.007.20095
adobe/acrobat_reader 20.001.30005 - 20.004.30015
adobe/acrobat_reader_dc 15.008.20082 - 21.007.20095
Published Oct 15, 2021
Tracked Since Feb 18, 2026