Cyber Resilience

CVE-2021-22123

HighRCE

Published: 01 June 2021

Published
01 June 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
EPSS Score 0.8050 99.2th percentile
Risk Priority 63 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22123 is a high-severity OS Command Injection (CWE-78) vulnerability in Fortinet Fortiweb. Its CVSS base score is 7.6 (High).

Operationally, ranked in the top 0.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An OS command injection vulnerability in FortiWeb's management interface 6.3.7 and below, 6.2.3 and below, 6.1.x, 6.0.x, 5.9.x may allow a remote authenticated attacker to execute arbitrary commands on the system via the SAML server configuration page.

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 — 6.2.4 · 6.3.0 — 6.3.8

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