8.8

CVE-2024-23663: fortinet fortiextender_firmware Improper Access Control

CVSS: 8.8v3.1HighModified
Published 09-07-2024Last modified 01-08-2024
Open JSON

Vulnerability summary

CVE-2024-23663 is a high (CVSS 8.8) Improper Access Control vulnerability in fortinet fortiextender_firmware. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.7% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.64%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-07-2024
    PublishedVulnerability first disclosed.
  2. 01-08-2024
    Last modifiedVulnerability information updated.

Description

An improper access control in Fortinet FortiExtender 4.1.1 - 4.1.9, 4.2.0 - 4.2.6, 5.3.2, 7.0.0 - 7.0.4, 7.2.0 - 7.2.4 and 7.4.0 - 7.4.2 allows an attacker to create users with elevated privileges via a crafted HTTP request.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.64%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

0.00 pp

From 0.64% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.64%

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
  • fortiextender_firmware≥ 4.1.1, ≤ 4.1.9 | ≥ 4.2.0, ≤ 4.2.6 | ≥ 7.0.0, ≤ 7.0.4 | ≥ 7.2.0, ≤ 7.2.4 | ≥ 7.4.0, ≤ 7.4.2 | 5.3.2

1 vendor · 1 product

References

1 links