Vulnerability Intelligence Report
CVE-2023-36556
An incorrect authorization vulnerability [CWE-863] in FortiMail webmail version 7.2.0 through 7.2.2, version 7.0.0 through 7.0.5 and below 6.4.7 allows an authenticated attacker to login on other users accounts from the same web domain via crafted HTTP or HTTPs requests.
No Active Exploit Signals
CVSS Base Score
8.6
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:0.84%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-863 ↗Escalation of privilege
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Fortinet | FortiMail | 7.2.0 <= 7.2.2 (affected), 7.0.0 <= 7.0.5 (affected), 6.4.0 <= 6.4.7 (affected), 6.2.0 <= 6.2.9 (affected), 6.0.0 <= 6.0.12 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.838%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Fortinet, Inc. · Vendor · USA |
| Reserved | 2023-06-23T14:57:30 |
| Published | 2023-10-10T16:49:50 |
| Last Updated | 2025-12-16T18:23:24 |
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