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VULNERABILITIES

CVE-2021-39840 Details

Description

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability when processing AcroForms that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://helpx.adobe.com/security/products/acrobat/apsb21-55.html CVERelease NotesVendor Advisory
https://helpx.adobe.com/security/products/acrobat/apsb21-55.html [email protected]Release NotesVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-416Use After Free[email protected]

Affected Products

ProductVersions

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-39840
NVD Published Date:
Sep 29, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-39840 Details - Not Deferred