CVE-2023-22633

highpriority · track · 30EPSS 0.007 · 51 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.65% (51st) EPSS

CVSS 7.5 · high

Is it mine?

20 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

An improper permissions, privileges, and access controls vulnerability [CWE-264] in FortiNAC-F 7.2.0, FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.8 and below, 8.8.0 all versions 8.7.0 all versions may allow an unauthenticated attacker to perform a DoS attack on the device via client-secure renegotiation.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:X/RL:X/RC:Rsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · psirt@fortinet.comexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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-264USCWE-264US

affected products (20)

Products and version ranges known to be affected.

Fortinet FortiNAC≤ 8.8.0 ≤8.8.11enisa_euvdEU
Fortinet FortiNAC≤ 9.2.0 ≤9.2.6enisa_euvdEU
Fortinet FortiNAC≤ 8.7.0 ≤8.7.6enisa_euvdEU
Fortinet FortiNAC≤ 7.2.0enisa_euvdEU
Fortinet FortiNAC≤ 9.4.0 ≤9.4.1enisa_euvdEU
Fortinet FortiNAC≤ 9.1.0 ≤9.1.8enisa_euvdEU
Fortinet Inc. FortiNAC≤ 9.4.1fstec_bduRU
Fortinet Inc. FortiNAC≤ 7.2.0fstec_bduRU
Fortinet Inc. FortiNAC≤ 9.4.0fstec_bduRU
Fortinet Inc. FortiNAC8.7.0 → 8.7.6fstec_bduRU
Fortinet Inc. FortiNAC8.8.0 → 8.8.11fstec_bduRU
Fortinet Inc. FortiNAC9.1.0 → 9.1.8fstec_bduRU
Fortinet Inc. FortiNAC9.2.0 → 9.2.6fstec_bduRU
fortinet fortinac8.7.0 → 8.7.6nvdUScpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
fortinet fortinac8.8.0 → 8.8.11nvdUScpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
fortinet fortinac9.1.0 → 9.1.8nvdUScpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
fortinet fortinac9.2.0 → 9.2.6nvdUScpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
fortinet fortinac= 9.4.0nvdUScpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
fortinet fortinac= 9.4.1nvdUScpe: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 2023-06-13modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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