Cyber Resilience

CVE-2021-36180

HighRCE

Published: 08 December 2021

Published
08 December 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS Score 0.0049 66.0th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-36180 is a high-severity OS Command Injection (CWE-78) vulnerability in Fortinet Fortiweb. Its CVSS base score is 8.1 (High).

Operationally, ranked in the top 34.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Multiple improper neutralization of special elements used in a command vulnerabilities [CWE-77] in FortiWeb management interface 6.4.1 and below, 6.3.15 and below, 6.2.5 and below may allow an authenticated attacker to execute unauthorized code or commands via crafted parameters of…

more

HTTP requests.

CWE(s)
CWE-78

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

fortinet
fortiweb
5.9.0, 5.9.1, 6.1.0, 6.1.1, 6.4.0 · 5.8.0 — 5.8.6 · 6.0.0 — 6.0.7 · 6.2.0 — 6.2.5

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References