Vulnerability Intelligence Report
CVE-2021-36193
Multiple stack-based buffer overflows in the command line interpreter of FortiWeb before 6.4.2 may allow an authenticated attacker to achieve arbitrary code execution via specially crafted commands.
No Active Exploit Signals
CVSS Base Score
6.3
MEDIUM
Exploitability:0.8
Impact Score:5.9
EPSS Probability:0.82%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-121 ↗Execute unauthorized code or commands
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Fortinet | FortiFone | 3.0.0 <= 3.0.11 (affected) |
| Fortinet | FortiADC | 7.0.0 (affected), 6.2.0 <= 6.2.2 (affected), 6.1.0 <= 6.1.6 (affected), 6.0.0 <= 6.0.4 (affected), 5.4.0 <= 5.4.5 (affected), 5.3.0 <= 5.3.7 (affected), 5.2.0 <= 5.2.8 (affected), 5.1.0 <= 5.1.7 (affected), 5.0.0 <= 5.0.4 (affected) |
| Fortinet | FortiMail | 7.0.0 <= 7.0.2 (affected), 6.4.0 <= 6.4.6 (affected), 6.2.0 <= 6.2.8 (affected), 6.0.0 <= 6.0.12 (affected), 5.4.0 <= 5.4.12 (affected) |
| Fortinet | FortiDDoS | 5.7.0 (affected), 5.6.0 <= 5.6.1 (affected), 5.5.0 <= 5.5.1 (affected), 5.4.0 <= 5.4.3 (affected), 5.3.0 <= 5.3.2 (affected), 5.2.0 (affected), 5.1.0 (affected), 5.0.0 (affected), 4.7.0 (affected), 4.6.0 (affected), 4.5.0 (affected), 4.4.0 <= 4.4.2 (affected) |
| Fortinet | FortiDDoS-F | 6.3.0 (affected), 6.2.0 <= 6.2.2 (affected), 6.1.0 <= 6.1.4 (affected) |
| Fortinet | FortiVoice | 6.4.0 <= 6.4.4 (affected), 6.0.0 <= 6.0.10 (affected) |
| Fortinet | FortiDDoS-CM | 5.5.0 <= 5.5.1 (affected), 5.4.0 <= 5.4.3 (affected), 5.3.0 <= 5.3.1 (affected), 5.2.0 (affected), 5.1.0 (affected), 5.0.0 (affected), 4.7.0 (affected) |
| Fortinet | FortiWeb | 6.4.0 <= 6.4.1 (affected), 6.3.0 <= 6.3.15 (affected) |
| Fortinet | FortiRecorder | 6.4.0 <= 6.4.2 (affected), 6.0.0 <= 6.0.10 (affected), 2.7.0 <= 2.7.7 (affected), 2.6.0 <= 2.6.3 (affected) |
| Fortinet | FortiNDR | 1.5.0 <= 1.5.3 (affected), 1.4.0 (affected), 1.3.0 <= 1.3.1 (affected), 1.2.0 (affected), 1.1.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.816%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Fortinet, Inc. · Vendor · USA |
| Reserved | 2021-07-06T00:00:00 |
| Published | 2022-02-02T11:19:47 |
| Last Updated | 2026-01-13T16:32:40 |
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