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 Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Acrobat Dc | >= 15.008.20082, <= 21.005.20060 |
| Microsoft | Windows | - |
| Apple | Macos | - |
| Adobe | Acrobat Reader Dc | >= 15.008.20082, <= 21.005.20060 |
| Adobe | Acrobat | >= 17.011.30059, <= 17.011.30199 |
| Adobe | Acrobat Reader | >= 17.011.30059, <= 17.011.30199 |
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-2021-39854?
CVE-2021-39854 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated atta...
How severe is CVE-2021-39854?
CVE-2021-39854 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39854?
Check the references section above for vendor advisories and patch information. Affected products include: Adobe Acrobat Dc, Microsoft Windows, Apple Macos, Adobe Acrobat Reader Dc, Adobe Acrobat.