What is CVE-2021-42727?

CVE-2021-42727 is a stack overflow vulnerability in Adobe Bridge 11.1.1 (and earlier) that allows remote attackers to execute arbitrary code by tricking a user into opening a crafted file.

How severe is CVE-2021-42727?

The severity level of CVE-2021-42727 is considered critical, with a CVSS score of 7.8.

How does CVE-2021-42727 affect Adobe Bridge?

CVE-2021-42727 affects Adobe Bridge 11.1.1 (and earlier) by causing a stack overflow due to insecure handling of a crafted file.

Is Microsoft Windows affected by CVE-2021-42727?

No, Microsoft Windows is not affected by CVE-2021-42727.

How can I fix CVE-2021-42727?

To fix CVE-2021-42727, it is recommended to update Adobe Bridge to version 11.2 or later, as described in the Adobe security advisory.

Vulnerability/
CVE-2021-42727

critical

9.3

CWE

787

22/11/2021

21/11/2024

CVE-2021-42727: Adobe Bridge Buffer Overflow Arbitrary code execution

Q: Can arbitrary code be executed through CVE-2021-42727?

Yes, CVE-2021-42727 can potentially allow arbitrary code execution in the context of the current user, if a victim opens a crafted file in Adobe Bridge.

First published: Mon Nov 22 2021(Updated: )

Adobe Bridge 11.1.1 (and earlier) is affected by a stack overflow vulnerability due to insecure handling of a crafted file, potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file in Bridge.

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

Affected Software	Affected Version	How to fix
Adobe RoboHelp Server	<=2020.0.1
Microsoft Windows
All of
Adobe RoboHelp Server	<=2020.0.1
Microsoft Windows

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Reference Links

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

Frequently Asked Questions

What is CVE-2021-42727?
CVE-2021-42727 is a stack overflow vulnerability in Adobe Bridge 11.1.1 (and earlier) that allows remote attackers to execute arbitrary code by tricking a user into opening a crafted file.
How severe is CVE-2021-42727?
The severity level of CVE-2021-42727 is considered critical, with a CVSS score of 7.8.
How does CVE-2021-42727 affect Adobe Bridge?
CVE-2021-42727 affects Adobe Bridge 11.1.1 (and earlier) by causing a stack overflow due to insecure handling of a crafted file.
Can arbitrary code be executed through CVE-2021-42727?
Yes, CVE-2021-42727 can potentially allow arbitrary code execution in the context of the current user, if a victim opens a crafted file in Adobe Bridge.
Is Microsoft Windows affected by CVE-2021-42727?
No, Microsoft Windows is not affected by CVE-2021-42727.
How can I fix CVE-2021-42727?
To fix CVE-2021-42727, it is recommended to update Adobe Bridge to version 11.2 or later, as described in the Adobe security advisory.

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vendor/adobe
canonical/adobe robohelp server
version/adobe robohelp server/2020.0.1
vendor/microsoft
canonical/microsoft windows

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