CVE-2021-21090 Adobe InCopy DOCX file parsing directory traversal vulnerability could lead to remote code execution
An attacker can achieve remote code execution by tricking a user into opening a malicious DOCX file in Adobe InCopy.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-21090?
CVE-2021-21090 is a high-severity path traversal vulnerability in Adobe Incopy, published on 28 Jun 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2021-21090?
It affects 1 product.
Products include Adobe Incopy.
How do I fix CVE-2021-21090?
No fix has been published for CVE-2021-21090 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-21090 being exploited?
There is no known exploitation of CVE-2021-21090 in the wild and no public exploit code.
Other vulnerabilities in Adobe Incopy
Sources
Also known as GHSA-62f6-qcp7-pw2w.