CVE-2021-39840
HIGHAdobe Acrobat and Reader DC < 21.005.20058 - Use-After-Free in AcroForms Processing
Title source: llmDescription
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.
References (1)
Core 1
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://helpx.adobe.com/security/products/acrobat/apsb21-55.html
Scores
CVSS v3
7.8
EPSS
0.4953
EPSS Percentile
98.8%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (4)
adobe/acrobat
20.001.30005 - 20.004.30006
adobe/acrobat_dc
15.008.20082 - 21.005.20058
adobe/acrobat_reader
20.001.30005 - 20.004.30006
adobe/acrobat_reader_dc
15.008.20082 - 21.005.20058
Published
Sep 29, 2021
Tracked Since
Feb 18, 2026