CVE-2022-39954

EUVD-2022-42398

16.02.2023, 19:15

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.3 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
fortinet	CNA	6.9 MEDIUM	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:U/RC:C

Base Score

CVSS 3.x

EPSS Score

Percentile: 55%

Affected Products (NVD)

Vendor	Product	Version
fortinet	fortinac	8.3.7 ≤ 𝑥 ≤ 9.2.7
fortinet	fortinac	9.4.0 ≤ 𝑥 < 9.4.2
fortinet	fortinac-f	𝑥 < 7.2.0

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-611 - Improper Restriction of XML External Entity Reference
The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

References

https://fortiguard.com/psirt/FG-IR-22-304