CVE-2022-39954

criticalpriority · track · 36EPSS 0.005 · 46 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.55% (46th) EPSS

CVSS 9.1 · critical

Is it mine?

14 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

An improper restriction of xml external entity reference in Fortinet FortiNAC version 9.4.0 through 9.4.1, FortiNAC version 9.2.0 through 9.2.7, FortiNAC version 9.1.0 through 9.1.8, FortiNAC version 8.8.0 through 8.8.11, FortiNAC version 8.7.0 through 8.7.6, FortiNAC version 8.6.0 through 8.6.5, FortiNAC version 8.5.0 through 8.5.4, FortiNAC version 8.3.7 allows attacker to read arbitrary files or trigger a denial of service via specifically crafted XML documents.

cvss

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

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.9–9.1

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.2

v3.19.1criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:U/RC:Csecondary · ENISA EU

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · psirt@fortinet.comexploitability 3.9 · impact 3.4

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-611USprimaryCWE-611US

affected products (14)

Products and version ranges known to be affected.

Fortinet FortiNAC≤ 8.5.0 ≤8.5.4enisa_euvdEU
Fortinet FortiNAC≤ 9.4.0 ≤9.4.1enisa_euvdEU
Fortinet FortiNAC≤ 8.8.0 ≤8.8.11enisa_euvdEU
Fortinet FortiNAC≤ 9.1.0 ≤9.1.8enisa_euvdEU
Fortinet FortiNAC≤ 8.6.0 ≤8.6.5enisa_euvdEU
Fortinet FortiNAC≤ 8.7.0 ≤8.7.6enisa_euvdEU
Fortinet FortiNAC≤ 9.2.0 ≤9.2.7enisa_euvdEU
Fortinet FortiNAC≤ 8.3.7enisa_euvdEU
Fortinet Inc. FortiNAC≤ 7.2.0fstec_bduRU
Fortinet Inc. FortiNAC8.3.7 → 9.2.7fstec_bduRU
Fortinet Inc. FortiNAC9.4.0 → 9.4.2fstec_bduRU
fortinet fortinac8.3.7 → 9.2.7nvdUScpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
fortinet fortinac9.4.0 → 9.4.2nvdUScpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
fortinet fortinac-f< 7.2.0nvdUScpe:2.3:a:fortinet:fortinac-f:*:*:*:*:*:*:*:*

also known as (5)

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 2023-02-16modified 2026-06-17

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+1517 more

references (5)

External citations — patches, advisories, analysis.

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