What is CVE-2021-40326?

CVE-2021-40326 is a medium-severity vulnerability in Foxit Pdf Editor, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.5/10. Published 2022-08-29.

How severe is CVE-2021-40326?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Foxit Pdf Editor

CVE-2021-40326

Foxit PDF Reader before 11.1 and PDF Editor before 11.1, and PhantomPDF before 10.1.6, mishandle hidden and incremental data in signed documents. An attacker can write to an arbitrary file, and display controlled contents, during signature verification.

EPSS: 0.002 (8.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Foxit Pdf_editor
Foxit Pdf_reader
Foxit Phantompdf
Microsoft Windows
N/a — versions n/a

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40326?: CVE-2021-40326 is a medium-severity vulnerability in Foxit Pdf Editor, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.5/10. Published 2022-08-29.
How severe is CVE-2021-40326?: Medium severity. CVSS v3 base score is 5.5 out of 10.