CVE-2021-22131

mediumpriority · track · 22EPSS 0.001 · 3 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.14% (3rd) EPSS

CVSS 5.4 · medium

Is it mine?

23 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0.3 and below, Fortinet FortiTokeniOS version 5.2.0 and below, Fortinet FortiTokenWinApp version 4.0.3 and below allows attacker to retrieve information disclosed via man-in-the-middle attacks.

cvss

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

6.4

010

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

v3.15.4mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:Nprimary · NVD / NIST USexploitability 1.2 · impact 4.2

v3.16.4mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H/E:P/RL:X/RC:Csecondary · ENISA EU

v3.16.4mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:Hsecondary · psirt@fortinet.comexploitability 1.2 · impact 5.2

v3.15mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-295USprimary

affected products (23)

Products and version ranges known to be affected.

Fortinet Fortinet FortiTokenAndroid, Fortinet FortiTokeniOS, Fortinet FortiTokenWinApp≤ FortiTokenAndroid 5.0.3, 5.0.2, 4.5.0, 4.4.0, 4.3.0, 4.2.2, 4.2.1, 4.1.1, 4.0.1, 4.0.0, 3.0.4, 3.0.3, 3.0.2, 3.0.1, 3.0.0, 0.4.20, 0.4.10, FortiTokeniOS 5.2.0, 4.3.0, 4.2.0, 4.1.1, 3.0.5, 3.0.4, 3.0.3, 3.0.2, 3.0.1, FortiTokenWinApp 4.0.3, 3.0.1, 3.0.0enisa_euvdEU
fortinet fortitoken mobile= 0.4.10nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 0.4.20nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 3.0.0nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 3.0.1nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 3.0.2nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 3.0.3nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 3.0.4nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 3.0.5nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 4.0.0nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 4.0.1nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 4.0.3nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 4.1.0nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 4.1.1nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 4.2.0nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 4.2.1nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 4.2.2nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 4.3.0nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 4.4.0nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*
fortinet fortitoken mobile= 4.5.0nvdUScpe:2.3:a:fortinet:fortitoken_mobile:*:*:*:*:*:*:*:*

showing 20 of 23

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2022-07-18modified 2026-06-17

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+1891 more

references (6)

External citations — patches, advisories, analysis.

scry

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