CVE-2021-40326

mediumpriority · track · 22EPSS 0.003 · 21 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.28% (21st) EPSS

CVSS 5.5 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.16.5mediumAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-347USprimaryCWE-347US

affected products (8)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Foxit Software Inc. PDF Editor≤ 10.1.5.37672fstec_bduRU
Foxit Software Inc. PDF Editor≤ 11.0.0.49893fstec_bduRU
Foxit Software Inc. PDF Editor≤ 11.0.1.49938fstec_bduRU
Foxit Software Inc. PDF Reader≤ 11.0.1.49938fstec_bduRU
foxit pdf editor11.0 → 11.1nvdUScpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
foxit pdf reader11.0 → 11.1nvdUScpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*
foxit phantompdf< 10.1.6nvdUScpe:2.3:a:foxit:phantompdf:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-08-29modified 2026-06-17

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references (6)

External citations — patches, advisories, analysis.

scry

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