Cyber Resilience

CVE-2022-33873

Medium

Published: 18 October 2022

Published
18 October 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.2165 95.9th percentile
Risk Priority 27 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-33873 is a medium-severity OS Command Injection (CWE-78) vulnerability in Fortinet Fortitester. Its CVSS base score is 6.8 (Medium).

Operationally, ranked in the top 4.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

The vulnerability CVE-2022-33873 is an OS command injection flaw (CWE-78) present in the console login components of FortiTester versions 2.3.0 through 3.9.1, 4.0.0 through 4.2.0, and 7.0.0 through 7.1.0. It arises from improper neutralization of special elements in OS commands and received a CVSS v3.1 score of 6.8.

An unauthenticated attacker can exploit the weakness to execute arbitrary commands in the underlying shell. The attack vector requires physical access according to the CVSS metrics, with no privileges or user interaction needed and high impact across confidentiality, integrity, and availability.

Fortinet published an advisory at https://fortiguard.com/psirt/FG-IR-22-237. The associated EPSS score is 0.2165 at both current and peak values.

EU & UK References

Vulnerability details

An improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in Console login components of FortiTester 2.3.0 through 3.9.1, 4.0.0 through 4.2.0, 7.0.0 through 7.1.0 may allow an unauthenticated attacker to execute arbitrary command…

more

in the underlying shell.

CWE(s)

Related Threats

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

Affected Assets

fortinet
fortitester
2.3.0 — 3.9.2 · 4.0.0 — 4.2.1 · 7.0.0 — 7.1.1

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.

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.

addresses: CWE-78

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

References