Type Confusion in Foxit PDF Reader for Windows and Foxit PDF Editor (formerly Foxit PhantomPDF) - CVE-2021-31476
Published: June 1, 2021
Vulnerability identifier: #VU53684
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-31476
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error within the handling of XFA templates. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Foxit PDF Reader for Windows
Foxit PDF Editor (formerly Foxit PhantomPDF)
Foxit PDF Editor (formerly Foxit PhantomPDF)
How to mitigate CVE-2021-31476
Install updates from vendor's website.
Foxit PDF Reader for Windows - update to 10.1.4.37651
Foxit PDF Editor (formerly Foxit PhantomPDF) - update to 10.1.4.37651
Foxit PDF Editor (formerly Foxit PhantomPDF) - update to 10.1.4.37651