Improper Verification of Cryptographic Signature in Foxit PDF Editor (formerly Foxit PhantomPDF) and Foxit PDF Reader for Windows - CVE-2021-40326

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Main Vulnerability Database Vulnerabilities #VU57225

Improper Verification of Cryptographic Signature in Foxit PDF Editor (formerly Foxit PhantomPDF) and Foxit PDF Reader for Windows - CVE-2021-40326

Published: October 12, 2021


Vulnerability identifier: #VU57225
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-40326
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to insufficient verification of digital signatures in PDF files. A remote attacker can display arbitrary content in the signed PDF file.


Affected software

Foxit PDF Editor (formerly Foxit PhantomPDF)
Foxit PDF Reader for Windows

How to mitigate CVE-2021-40326

Install updates from vendor's website.

Foxit PDF Editor (formerly Foxit PhantomPDF) - update to 11.1.0.52543
Foxit PDF Reader for Windows - update to 11.1.0.52543

External References

Related Security Bulletins