CVE-2022-33874

CRITICAL

An improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in SSH login components of FortiTester 2.3.0 through 3.9.1, 4.0.0 through 4.2....

Affects 1 product across 1 vendor.

BCS7.65
CVSS 3.19.8
EPSS3.0%
Percentile87th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-78: OS Command Injection

Attacker injects OS commands through application inputs passed to system() or equivalent calls, leading to arbitrary command execution.

Related Attack Patterns (CAPEC)
CAPEC-43 Exploiting Multiple Input Interpretation Layers
via CWE-78
CAPEC-108 Command Line Execution through SQL Injection
via CWE-78
CAPEC-6 Argument Injection
via CWE-78
CAPEC-15 Command Delimiters
via CWE-78
CAPEC-88 OS Command Injection
via CWE-78

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A critical OS Command Injection vulnerability exists in the SSH 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, allowing unauthenticated remote attackers to execute arbitrary commands on the underlying shell.

BSID: BS-2022-GLOBAL-320817-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-2022-33874?
A critical OS Command Injection vulnerability exists in the SSH 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, allowing unauthenticated remote attackers to execute arbitrary commands on the underlying shell.
What is the CVSS score for CVE-2022-33874?
CVE-2022-33874 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 3.0%.
Is CVE-2022-33874 actively exploited?
No confirmed active exploitation of CVE-2022-33874 as of 2026-09-25.
How do I remediate CVE-2022-33874?
Priority: IMMEDIATE. Advisory: https://fortiguard.com/psirt/FG-IR-22-237 PSIRT: [email protected]
What systems are affected by CVE-2022-33874?
CVE-2022-33874 affects: Fortinet.
Vulnerability Details
CVE IDCVE-2022-33874
BSIDBS-2022-GLOBAL-320817-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2022-10-18
Last Modified2026-06-17
ICS Relevance70%
Weakness (CWE)
OS Command Injection
Domains
NETWORK-INFRA
SourceNVD
Official Description

An improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in SSH 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 remote attacker to execute arbitrary command in the underlying shell.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability arises from improper neutralization of special elements used in OS commands. An attacker can exploit this by injecting malicious commands through the SSH login process, which are then executed with the privileges of the SSH service.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductFixed Version
Fortinet Fortitester —
Remediation
View Vendor Advisory →

Remediation Priority: IMMEDIATE

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: September 2026 | Threat Age: 1441 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash42716eb6fccda7f3be9108644469cf3f83ab126fee5d092571486a954d7176393469b7234b0a0dcbe2edb4e4f65c680cb3a4c03fed0ddf1f587a512fedc7af5f
Related CVEs affecting Fortinet
CVE-2005-3057 10.0 The FTP component in FortiGate 2.8 running FortiOS 2.8MR10 and v3beta, and ot... CVE-2017-7336 9.8 A hard-coded account named 'upgrade' in Fortinet FortiWLM 8.3.0 and lower ver... CVE-2018-13379 9.8 An Improper Limitation of a Pathname to a Restricted Directory ("Path Travers... CVE-2021-32586 9.8 An improper input validation vulnerability in the web server CGI facilities o... CVE-2016-4573 9.8 Fortinet FortiSwitch FSW-108D-POE, FSW-124D, FSW-124D-POE, FSW-224D-POE, FSW-...
View all Fortinet CVEs →

Critical Severity - Know Your Exposure

A CVSS 9.8 vulnerability in your ICS environment cannot wait. BreachSpider maps critical CVEs to your specific assets and tells you what to fix first.

Create a free account →