CVE-2023-33299

criticalpriority · attend · 48EPSS 0.243 · 98 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

24.3% (98th) EPSS

CVSS 9.8 · critical

Is it mine?

33 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · fstec_bdu

EPSS · scored 2026-10-27

A deserialization of untrusted data in Fortinet FortiNAC below 7.2.1, below 9.4.3, below 9.2.8 and all earlier versions of 8.x allows attacker to execute unauthorized code or commands via specifically crafted request on inter-server communication port. Note FortiNAC versions 8.x will not be fixed.

cvss

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

9.8

010

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

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.6criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:X/RC:Csecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@fortinet.comexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USprimaryCWE-502US

affected products (33)

Products and version ranges known to be affected.

Fortinet FortiNAC≤ 8.8.0 ≤8.8.11enisa_euvdEU
Fortinet FortiNAC≤ 9.1.0 ≤9.1.9enisa_euvdEU
Fortinet FortiNAC≤ 8.7.0 ≤8.7.6enisa_euvdEU
Fortinet FortiNAC≤ 8.3.7enisa_euvdEU
Fortinet FortiNAC≤ 9.2.0 ≤9.2.7enisa_euvdEU
Fortinet FortiNAC≤ 9.4.0 ≤9.4.2enisa_euvdEU
Fortinet FortiNAC≤ 7.2.0 ≤7.2.1enisa_euvdEU
Fortinet FortiNAC≤ 8.6.0 ≤8.6.5enisa_euvdEU
Fortinet FortiNAC≤ 8.5.0 ≤8.5.4enisa_euvdEU
Fortinet Inc. FortiNAC≤ 8.3.7fstec_bduRU
Fortinet Inc. FortiNAC≤ 9.4.2fstec_bduRU
Fortinet Inc. FortiNAC≤ 7.2.1fstec_bduRU
Fortinet Inc. FortiNAC≤ 7.2.0fstec_bduRU
Fortinet Inc. FortiNAC≤ 9.4.0fstec_bduRU
Fortinet Inc. FortiNAC≤ 9.4.1fstec_bduRU
Fortinet Inc. FortiNAC8.5.0 → 8.5.4fstec_bduRU
Fortinet Inc. FortiNAC8.6.0 → 8.6.5fstec_bduRU
Fortinet Inc. FortiNAC8.7.0 → 8.7.6fstec_bduRU
Fortinet Inc. FortiNAC8.8.0 → 8.8.11fstec_bduRU
Fortinet Inc. FortiNAC9.1.0 → 9.1.9fstec_bduRU

showing 20 of 33

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 CVE.org MITRE

published 2023-06-23modified 2026-06-17

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+3747 more

references (5)

External citations — patches, advisories, analysis.

scry

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