CVE-2021-28636 Adobe Acrobat Reader Unquoted Search Path Vulnerability
An attacker with local access can achieve arbitrary code execution by placing a malicious file in the C:/ folder, requiring the victim to open a file.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-28636?
CVE-2021-28636 is a high-severity vulnerability in Adobe Acrobat Dc, published on 20 Aug 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Uncontrolled Search Path Element vulnerability. An attacker with access to the victim's C:/ folder could leverage this vulnerability to achieve 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.
Weakness: CWE-427
Which versions are affected by CVE-2021-28636?
It affects 2 products.
Products include Adobe Acrobat Dc, Adobe Acrobat Reader Dc.
How do I fix CVE-2021-28636?
No fix has been published for CVE-2021-28636 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-28636 being exploited?
There is no known exploitation of CVE-2021-28636 in the wild and no public exploit code.
Other vulnerabilities in Adobe Acrobat Dc
Sources
Also known as GHSA-8jv9-7vm9-cfxp.