9.8

CVE-2023-33299: fortinet fortinac Deserialization of Untrusted Data

CVSS: 9.8v3.1CriticalModified
Published 23-06-2023Last modified 23-10-2024
Open JSON

Vulnerability summary

CVE-2023-33299 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in fortinet fortinac. EPSS estimates a 24.30% chance of exploitation in the next 30 days, higher than 97.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
24.30%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-06-2023
    PublishedVulnerability first disclosed.
  2. 23-10-2024
    Last modifiedVulnerability information updated.

Description

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

24.30%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 24.30% on 21-09-2026

21-09-202621-10-2026
EPSS score
24.30%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fortinet1 product
  • fortinac≥ 9.4.0, ≤ 9.4.2 | ≥ 7.2.0, ≤ 7.2.1 | ≥ 8.5.0, ≤ 8.5.4 | ≥ 8.6.0, ≤ 8.6.5 | ≥ 8.7.0, ≤ 8.7.6 | ≥ 8.8.0, ≤ 8.8.11 | ≥ 9.1.0, ≤ 9.1.9 | ≥ 9.2.0, ≤ 9.2.7 | 7.2.0 | 7.2.1 | 8.3.7 | 9.4.0 | 9.4.1 | 9.4.2

1 vendor · 1 product

References

1 links