CVE-2021-21090: Adobe InCopy DOCX file parsing directory traversal vulnerability could lead to remote code execution

Published Jun 28, 2021
·
Updated

Adobe InCopy version 16.0 (and earlier) is affected by an path traversal vulnerability when parsing a crafted file. An unauthenticated attacker could leverage this vulnerability to achieve remote 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.

Affected Software

2 affected components
Adobe InCopy<=16.0
Microsoft Windows

Event History

Jun 28, 2021
CVE Published
via MITRE·01:45 PM
Data Sourced
via MITRE·01:45 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2021-21090?

CVE-2021-21090 is a path traversal vulnerability in Adobe InCopy version 16.0 (and earlier) that allows remote code execution.

2

What is the severity of CVE-2021-21090?

CVE-2021-21090 has a severity score of 8.8, which is classified as critical.

3

How does CVE-2021-21090 work?

CVE-2021-21090 allows an unauthenticated attacker to achieve remote code execution by exploiting a path traversal vulnerability in Adobe InCopy, which requires user interaction.

4

Is Adobe InCopy version 16.0 affected by CVE-2021-21090?

Yes, Adobe InCopy version 16.0 (and earlier) is affected by CVE-2021-21090.

5

How can I mitigate the vulnerability CVE-2021-21090?

To mitigate CVE-2021-21090, it is recommended to update to a patched version of Adobe InCopy.

Contact

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