Is CVE-2022-39954 in the CISA KEV catalog?

No. CVE-2022-39954 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-39954?

CVE-2022-39954 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2022-39954?

CVE-2022-39954 has an EPSS score of 0.55% (42th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-39954?

Upgrade fortinac to 9.4.2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-39954

HIGH

7.3

CVSS v3

NVD

Description

An improper restriction of xml external entity reference in Fortinet FortiNAC version 9.4.0 through 9.4.1, FortiNAC version 9.2.0 through 9.2.7, FortiNAC version 9.1.0 through 9.1.8, FortiNAC version 8.8.0 through 8.8.11, FortiNAC version 8.7.0 through 8.7.6, FortiNAC version 8.6.0 through 8.6.5, FortiNAC version 8.5.0 through 8.5.4, FortiNAC version 8.3.7 allows attacker to read arbitrary files or trigger a denial of service via specifically crafted XML documents.

CWE-611XML External Entity (XXE)

How to fix

Remediation Available

fortinacNVD

Affected:>= 9.4.0, < 9.4.2Fixed in:9.4.2CVE-2022-39954derived from NVD

fortinac-fNVD

Affected:< 7.2.0Fixed in:7.2.0CVE-2022-39954derived from NVD

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

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.55%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Vendor Advisory1

fortiguard.com

Related Vulnerabilities

Other CWE-611 (XML External Entity (XXE)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-34102	Critical	9.8	100%	KEV	Fix
CVE-2019-9670	Critical	9.8	100%	KEV	Fix
CVE-2022-28219	Critical	9.8	97%	-	-
CVE-2024-22024	High	8.3	95%	-	-
CVE-2024-38653	High	7.5	92%	-	-
CVE-2017-12629	Critical	9.8	92%	-	Fix

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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.