THREATPORT/VULNERABILITY/CVE-2023-33299
CRITICAL SEVERITY

CVE-2023-33299

Fortinac vulnerability

CVSS
9.8
EPSS
24.3%
EPSS pct
98th
Exploited
No known
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.
Affected vendor
Fortinet
Affected product
Fortinac
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-502 — Deserialization of Untrusted Data
Published
2023-06-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 24.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2023-33299

  • Confirm whether Fortinet Fortinac is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2023-33299.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-33299

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-33299 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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