5.3

CVE-2023-26208: fortinet fortiauthenticator

CVSS: 5.3v3.1MediumModified
Published 09-03-2023Last modified 22-10-2024
Open JSON

Vulnerability summary

CVE-2023-26208 is a medium (CVSS 5.3) vulnerability in fortinet fortiauthenticator. EPSS estimates a 1.81% chance of exploitation in the next 30 days, higher than 78.4% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
1.81%
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. 09-03-2023
    PublishedVulnerability first disclosed.
  2. 22-10-2024
    Last modifiedVulnerability information updated.

Description

A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiAuthenticator 6.4.x and before allows a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.81%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.81% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.81%

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
  • fortiauthenticator≥ 6.4.0, ≤ 6.4.6 | ≥ 6.3.0, ≤ 6.3.3 | ≥ 6.2.0, ≤ 6.2.1 | ≥ 6.1.0, ≤ 6.1.2 | ≥ 6.0.0, ≤ 6.0.7 | ≥ 5.4.0, < 6.5.0

1 vendor · 1 product

References

1 links