CVE-2022-39952

Q: How do I fix CVE-2022-39952?

Upgrade fortinac to 9.4.1 or later.

Q: Is CVE-2022-39952 being actively exploited?

Not that we know of. CVE-2022-39952 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 99.8% is the estimated probability that it will be exploited in the next 30 days. That is higher than 100% of all scored CVEs.

Q: How severe is CVE-2022-39952?

CVE-2022-39952 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2022-39952 affect?

Published advisories record a fix for fortinac (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

CRITICALEPSS 100th pctl

9.8

CVSS v3

NVD

Description

A external control of file name or path in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP request.

CWE-73External Control of File Name or Path CWE-668

How to fix

Remediation Available

fortinacNVD

Affected:>= 9.4.0, < 9.4.1Fixed in:9.4.1CVE-2022-39952derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

99.81%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

Vendor Advisory1

fortiguard.com

Related Vulnerabilities

Other CWE-73 (External Control of File Name or Path) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-8517	Critical	9.8	95%	-	Fix
CVE-2025-33053	High	8.8	86%	KEV	Fix
CVE-2023-4634	Critical	9.8	83%	-	Fix
CVE-2018-17246	Critical	9.8	82%	-	Fix
CVE-2024-43451	Medium	6.5	82%	KEV	Fix
CVE-2023-3643	High	7.3	75%	-	-

Common questions

How do I fix CVE-2022-39952?

Upgrade fortinac to 9.4.1 or later.

Is CVE-2022-39952 being actively exploited?

Not that we know of. CVE-2022-39952 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 99.8% is the estimated probability that it will be exploited in the next 30 days. That is higher than 100% of all scored CVEs.

How severe is CVE-2022-39952?

CVE-2022-39952 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2022-39952 affect?

Published advisories record a fix for fortinac (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2022-39952

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.