CVE-2021-40725

Adobe Acrobat Reader DC AcroForm listbox Use-After-Free Remote Code Execution Vulnerability

HIGH
7.8
CVSS Score
Published: October 7, 2021 at 03:07 PM UTC
Updated: June 17, 2026 at 04:07 AM UTC
2 products affected across 1 vendorAcrobat DCAcrobat Reader· also runs on 2 platforms

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Severity
HIGH7.8
Exploit prediction
EPSS 5%

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 AcroForm listbox 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

15.008.20082 ≤ v ≤ 21.005.2005815.008.20082 ≤ v ≤ 21.005.2006017.011.30059 ≤ v ≤ 17.011.3019920.001.30005 ≤ v ≤ 20.004.30006
apple-macos (environment) · microsoft-windows (environment)
v ≤ 2017.011.30199v ≤ 2020.004.30006v ≤ 2021.005.20060

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_MISCThird Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-1250/

CVSS

7.8HIGHadobe
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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