What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2021-42721.

What is the affected software?

The affected software is Acrobat Bridge versions 11.1.1 and earlier.

What is the severity of CVE-2021-42721?

The severity of CVE-2021-42721 is critical.

Is user interaction required to exploit CVE-2021-42721?

Yes, exploitation of CVE-2021-42721 requires user interaction in that a victim must open a malicious file or website.

How can I mitigate this vulnerability?

To mitigate CVE-2021-42721, it is recommended to update to the latest version of Acrobat Bridge or apply the relevant security patch provided by Adobe.

Vulnerability/
CVE-2021-42721

critical

9.3

CWE

416

16/11/2021

21/11/2024

CVE-2021-42721: Adobe Bridge Use After Free could lead to Arbitrary code execution

Q: How does CVE-2021-42721 work?

CVE-2021-42721 is a use-after-free vulnerability in the processing of Format event actions that could result in arbitrary code execution in the context of the current user.

First published: Tue Nov 16 2021(Updated: )

Acrobat Bridge versions 11.1.1 and earlier are affected by a use-after-free vulnerability in the processing of Format event actions that 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.

Credit: psirt@adobe.com psirt@adobe.com

Affected Software	Affected Version	How to fix
Adobe Media Encoder	<=15.4
Microsoft Windows
All of
Adobe Media Encoder	<=15.4
Microsoft Windows

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Reference Links

https://helpx.adobe.com/security/products/bridge/apsb21-94.html

Frequently Asked Questions

What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-42721.
What is the affected software?
The affected software is Acrobat Bridge versions 11.1.1 and earlier.
What is the severity of CVE-2021-42721?
The severity of CVE-2021-42721 is critical.
How does CVE-2021-42721 work?
CVE-2021-42721 is a use-after-free vulnerability in the processing of Format event actions that could result in arbitrary code execution in the context of the current user.
Is user interaction required to exploit CVE-2021-42721?
Yes, exploitation of CVE-2021-42721 requires user interaction in that a victim must open a malicious file or website.
How can I mitigate this vulnerability?
To mitigate CVE-2021-42721, it is recommended to update to the latest version of Acrobat Bridge or apply the relevant security patch provided by Adobe.

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agent/first-publish-date
collector/nvd-api
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agent/last-modified-date
agent/author
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agent/softwarecombine
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vendor/adobe
canonical/adobe media encoder
version/adobe media encoder/15.4
vendor/microsoft
canonical/microsoft windows

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