An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiTester Telnet port 2.3.0 through 3.9.1, 4.0.0 through 4.2.0, 7.0.0 through 7.1.0 may allow an unauthenticated attacker to guess the credentials of an admin user via a brute force attack
Published Oct 10, 2022
9.8
CRITICALCVSS 3.1
EPSS 0.81%
Description
An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiTester Telnet port 2.3.0 through 3.9.1, 4.0.0 through 4.2.0, 7.0.0 through 7.1.0 may allow an unauthenticated attacker to guess the credentials of an admin user via a brute force attack.
Affected products
-
- Version FortiTester 2.3.0 through 3.9.1, 4.0.0 through 4.2.0, 7.0.0 through 7.1.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Fortinet | Fortinet FortiTester | n/a |
|
- ≥ 2.3.0 · < 3.9.2
- ≥ 4.0.0 · < 4.2.1
- ≥ 7.0.0 · < 7.1.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Oct 23, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.81% (0.00811) | 55.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.74% (0.00740) | 49.59th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.26% (0.00257) | 47.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.20% (0.00201) | 58.99th | v3 (v2023.03.01) |
| Mar 22, 2024 | 0.20% (0.00200) | 56.90th | v3 (v2023.03.01) |
| Oct 17, 2023 | 0.17% (0.00172) | 54.14th | v3 (v2023.03.01) |
| Sep 10, 2023 | 0.11% (0.00112) | 44.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00102) | 40.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Oct 11, 2022 | 0.89% (0.00885) | 26.52th | v2 (v2022.01.01) |
References (1)
- https://fortiguard.com/psirt/FG-IR-22-244 Vendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://fortiguard.com/psirt/FG-IR-22-244 | Vendor Advisory |
Change history (0)
No recorded changes yet.