CRITICAL
An improper authentication vulnerability in FortiMail 5.4.10, 6.0.7, 6.2.2 and earlier and FortiVoiceEntreprise 6.0.0 and 6.0.1 may allow a remote unauthenticated attacker to access the system as a legitimate user by requesting a password change via the user interface
Published Apr 27, 2020
9.8
CRITICALCVSS 3.1
EPSS 77.78%
Description
An improper authentication vulnerability in FortiMail 5.4.10, 6.0.7, 6.2.2 and earlier and FortiVoiceEntreprise 6.0.0 and 6.0.1 may allow a remote unauthenticated attacker to access the system as a legitimate user by requesting a password change via the user interface.
Affected products
-
- Version 5.4.10StatusaffectedConstraints-
- Version 6.0.7StatusaffectedConstraints-
- Version 6.2.2 and earlierStatusaffectedConstraints-
- Version
-
- Version 6.0.0StatusaffectedConstraints-
- Version 6.0.1StatusaffectedConstraints-
- 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 | FortiMail | n/a |
| ||||||||||||
| Fortinet | FortiVoiceEnterprise | n/a |
|
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.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
77.78% 0.77778
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.77778
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (47 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 77.78% (0.77778) | 99.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 77.78% (0.77778) | 99.51th | v5 (v2026.06.15) |
| Mar 4, 2026 | 80.13% (0.80131) | 99.08th | v4 (v2025.03.14) |
| Mar 1, 2026 | 77.30% (0.77304) | 98.95th | v4 (v2025.03.14) |
| Feb 4, 2026 | 80.13% (0.80131) | 99.08th | v4 (v2025.03.14) |
| Feb 1, 2026 | 77.30% (0.77304) | 98.94th | v4 (v2025.03.14) |
| Jan 4, 2026 | 80.13% (0.80131) | 99.07th | v4 (v2025.03.14) |
| Jan 1, 2026 | 77.30% (0.77304) | 98.94th | v4 (v2025.03.14) |
| Dec 4, 2025 | 80.13% (0.80131) | 99.06th | v4 (v2025.03.14) |
| Dec 1, 2025 | 77.30% (0.77304) | 98.93th | v4 (v2025.03.14) |
| Nov 21, 2025 | 80.13% (0.80131) | 99.06th | v4 (v2025.03.14) |
| Nov 18, 2025 | 65.48% (0.65478) | 98.49th | v4 (v2025.03.14) |
| Nov 4, 2025 | 80.13% (0.80131) | 99.06th | v4 (v2025.03.14) |
| Nov 1, 2025 | 77.30% (0.77304) | 98.93th | v4 (v2025.03.14) |
| Oct 4, 2025 | 80.13% (0.80131) | 99.08th | v4 (v2025.03.14) |
| Oct 1, 2025 | 77.30% (0.77304) | 98.94th | v4 (v2025.03.14) |
| Sep 4, 2025 | 80.13% (0.80131) | 99.08th | v4 (v2025.03.14) |
| Sep 2, 2025 | 77.30% (0.77304) | 98.95th | v4 (v2025.03.14) |
| Sep 1, 2025 | 74.33% (0.74331) | 98.80th | v4 (v2025.03.14) |
| Aug 5, 2025 | 77.59% (0.77587) | 98.94th | v4 (v2025.03.14) |
| Aug 1, 2025 | 74.33% (0.74331) | 98.79th | v4 (v2025.03.14) |
| Jul 4, 2025 | 77.59% (0.77587) | 98.93th | v4 (v2025.03.14) |
| Jul 1, 2025 | 74.33% (0.74331) | 98.78th | v4 (v2025.03.14) |
| Jun 5, 2025 | 77.59% (0.77587) | 98.92th | v4 (v2025.03.14) |
| Jun 1, 2025 | 74.33% (0.74331) | 98.77th | v4 (v2025.03.14) |
| May 23, 2025 | 77.59% (0.77587) | 98.92th | v4 (v2025.03.14) |
| May 20, 2025 | 74.33% (0.74331) | 98.76th | v4 (v2025.03.14) |
| May 4, 2025 | 77.59% (0.77587) | 98.92th | v4 (v2025.03.14) |
| May 1, 2025 | 74.33% (0.74331) | 98.77th | v4 (v2025.03.14) |
| Apr 12, 2025 | 77.59% (0.77587) | 98.94th | v4 (v2025.03.14) |
| Apr 11, 2025 | 74.33% (0.74331) | 98.78th | v4 (v2025.03.14) |
| Mar 27, 2025 | 77.59% (0.77587) | 98.90th | v4 (v2025.03.14) |
| Mar 26, 2025 | 74.33% (0.74331) | 98.78th | v4 (v2025.03.14) |
| Mar 24, 2025 | 77.59% (0.77587) | 98.96th | v4 (v2025.03.14) |
| Mar 23, 2025 | 74.33% (0.74331) | 98.75th | v4 (v2025.03.14) |
| Mar 17, 2025 | 77.59% (0.77587) | 98.94th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.46% (0.02461) | 89.72th | v3 (v2023.03.01) |
| Jun 6, 2024 | 2.82% (0.02819) | 90.67th | v3 (v2023.03.01) |
| Jan 13, 2024 | 2.10% (0.02096) | 87.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.18% (0.02178) | 87.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 33.17% (0.33168) | 97.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 33.17% (0.33168) | 97.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 70.72% (0.70723) | 99.02th | v2 (v2022.01.01) |
| Feb 3, 2022 | 14.84% (0.14841) | 89.93th | v1 |
| Jan 6, 2022 | 14.84% (0.14841) | 89.82th | v1 |
| Sep 1, 2021 | 3.74% (0.03739) | 82.83th | v1 |
| Apr 14, 2021 | 3.74% (0.03739) | 0.00th | v1 |
Weaknesses (1)
References (1)
- https://fortiguard.com/psirt/FG-IR-20-045 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://fortiguard.com/psirt/FG-IR-20-045 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner fortinet
Published Apr 27, 2020
Updated Aug 4, 2024
Reserved Feb 19, 2020
Link CVE-2020-9294
CISA Vulnrichment
Updated n/a