An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiMail webmail version 7.2.0 through 7.2.4, 7.0.0 through 7.0.6 and before 6.4.8 may allow an unauthenticated attacker to perform a brute force attack on the affected endpoints via repeated login attempts
Published Nov 14, 2023
7.3
HIGHCVSS 3.1
EPSS 0.52%
Description
An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiMail webmail version 7.2.0 through 7.2.4, 7.0.0 through 7.0.6 and before 6.4.8 may allow an unauthenticated attacker to perform a brute force attack on the affected endpoints via repeated login attempts.
Affected products
-
- Version 6.2.0StatusaffectedConstraints<=6.2.9
- Version 6.4.0StatusaffectedConstraints<=6.4.8
- Version 7.0.0StatusaffectedConstraints<=7.0.6
- Version 7.2.0StatusaffectedConstraints<=7.2.4
- Version 7.4.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
Please upgrade to FortiMail version 7.4.1 or above Please upgrade to FortiMail version 7.2.5 or above Please upgrade to FortiMail version 7.0.7 or above Please upgrade to FortiMail version 6.4.9 or above
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/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
PartialDecision
n/aAssessed Aug 30, 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
2023–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (7 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.52% (0.00522) | 42.20th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.52% (0.00522) | 39.95th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.22% (0.00221) | 42.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00076) | 34.83th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.05% (0.00052) | 20.54th | v3 (v2023.03.01) |
| Nov 18, 2023 | 0.05% (0.00052) | 18.51th | v3 (v2023.03.01) |
| Nov 15, 2023 | 0.04% (0.00044) | 8.76th | v3 (v2023.03.01) |
References (1)
- https://fortiguard.com/psirt/FG-IR-23-287 Vendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://fortiguard.com/psirt/FG-IR-23-287 | Vendor Advisory |
Change history (0)
No recorded changes yet.