CVE-2021-40730

Name: CVE-2021-40730
Creator: NVD / NIST
Published: 2021-10-15T15:15:09.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.77%

Last modified Jun 17, 2026

CVE-2021-40730 is a vulnerability of currently unknown severity. 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 a use-after-free that allow a remote attacker to disclose sensitive information on affected installations of of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. EPSS estimates a 3.77% chance of exploitation in the next 30 days.

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 a use-after-free that allow a remote attacker to disclose sensitive information on affected installations of of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JPG2000 images.

Metrics

EPSS Probability

3.77%

88.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Adobe	Acrobat Dc	>= 15.008.20082, <= 21.007.20095
Adobe	Acrobat Reader Dc	>= 15.008.20082, <= 21.007.20095
Adobe	Acrobat Dc	>= 15.008.20082, <= 21.007.20096
Adobe	Acrobat Reader Dc	>= 15.008.20082, <= 21.007.20096
Adobe	Acrobat	>= 20.001.30005, <= 20.004.30015
Adobe	Acrobat Reader	>= 20.001.30005, <= 20.004.30015
Adobe	Acrobat	>= 17.011.30158, <= 17.011.30202
Adobe	Acrobat Reader	>= 17.011.30158, <= 17.011.30202

References

https://helpx.adobe.com/security/products/acrobat/apsb21-104.htmlRelease Notes, Vendor Advisory
https://helpx.adobe.com/security/products/acrobat/apsb21-104.htmlRelease Notes, Vendor Advisory

Timeline

Published: Oct 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40730?

How severe is CVE-2021-40730?

Severity scoring for CVE-2021-40730 is pending analysis. The EPSS model estimates a 3.77% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40730?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40730?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST