How severe is CVE-2022-33872?

CVE-2022-33872 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-33872 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33872?

CVE-2022-33872 affects Fortinet Fortitester. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-33872?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-33872 published?

CVE-2022-33872 was published on 2022-10-18 and last updated on 2026-06-17.

CVE-2022-33872

CVE-2022-33872 is a critical-severity vulnerability in Fortinet Fortitester with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Fortinet Fortitester
Published: 2022-10-18
Last modified: 2026-06-17

Description

An improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in Telnet 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.

Frequently asked questions

What is CVE-2022-33872?: An improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in Telnet 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.
How severe is CVE-2022-33872?: CVE-2022-33872 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-33872 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33872?: CVE-2022-33872 affects Fortinet Fortitester. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-33872?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-33872 published?: CVE-2022-33872 was published on 2022-10-18 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-237

Affected products (1)

cpe:2.3:a:fortinet:fortitester:*:*:*:*:*:*:*:*

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