Critical severity · published Feb 16, 2023
CVE-2022-39954
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
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortinac · Fortinet
8.3.7 through 9.2.7; 9.4.0 before 9.4.2 · source: NVD
FO
Fortinac-f · Fortinet
before 7.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-39954
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-39954
Vendor Advisory
https://fortiguard.com/psirt/FG-IR-22-304
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