Vulnerability Description
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability in the processing of the AcroForm deleteItemAt action 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Acrobat | >= 20.001.30005, <= 20.004.30006 |
| Adobe | Acrobat Reader | >= 20.001.30005, <= 20.004.30006 |
| Apple | Macos | - |
| Microsoft | Windows | - |
| Adobe | Acrobat Dc | >= 15.008.20082, <= 21.005.20058 |
| Adobe | Acrobat Reader Dc | >= 15.008.20082, <= 21.005.20058 |
Related Weaknesses (CWE)
References
- https://helpx.adobe.com/security/products/acrobat/apsb21-55.htmlRelease NotesVendor Advisory
- https://helpx.adobe.com/security/products/acrobat/apsb21-55.htmlRelease NotesVendor Advisory
FAQ
What is CVE-2021-39837?
CVE-2021-39837 is a vulnerability with a CVSS score of 7.8 (HIGH). Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability in the processing of the AcroForm ...
How severe is CVE-2021-39837?
CVE-2021-39837 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39837?
Check the references section above for vendor advisories and patch information. Affected products include: Adobe Acrobat, Adobe Acrobat Reader, Apple Macos, Microsoft Windows, Adobe Acrobat Dc.