What is CVE-2022-39948?

CVE-2022-39948 is an improper certificate validation vulnerability in FortiOS and FortiProxy.

What is the severity of CVE-2022-39948?

CVE-2022-39948 has a severity rating of 7.4 (high).

Which software versions are affected by CVE-2022-39948?

CVE-2022-39948 affects FortiOS versions 6.0.0 to 7.0.7 and FortiProxy versions 1.2.0 to 2.0.9.

What is the Common Weakness Enumeration (CWE) of CVE-2022-39948?

CVE-2022-39948 is classified under CWE-295 (Improper Certificate Validation).

How can I fix the CVE-2022-39948 vulnerability?

To fix the CVE-2022-39948 vulnerability, it is recommended to update FortiOS and FortiProxy to the latest versions provided by Fortinet.

Vulnerability/
CVE-2022-39948

high

7.4

CWE

295

16/2/2023

22/10/2024

CVE-2022-39948

First published: Thu Feb 16 2023(Updated: )

An improper certificate validation vulnerability [CWE-295] in FortiOS 7.2.0 through 7.2.3, 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions and FortiProxy 7.0.0 through 7.0.6, 2.0 all versions, 1.2 all versions may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiOS/FortiProxy device and remote servers hosting threat feeds (when the latter are configured as Fabric connectors in FortiOS/FortiProxy)

Credit: psirt@fortinet.com

Affected Software	Affected Version	How to fix
Fortinet FortiProxy	>=1.2.0<=2.0.9
Fortinet FortiProxy	>=7.0.0<7.0.7
Fortinet FortiOS	>=6.0.0<7.0.8
Fortinet FortiOS	>=7.2.0<7.2.4

Remedy

Please upgrade to FortiProxy version 7.2.0 or above Please upgrade to FortiProxy version 7.0.7 or above Please upgrade to FortiOS version 7.2.4 or above Please upgrade to FortiOS version 7.0.8 or above

Never miss a vulnerability like this again

Reference Links

https://fortiguard.com/psirt/FG-IR-22-257

Frequently Asked Questions

What is CVE-2022-39948?
CVE-2022-39948 is an improper certificate validation vulnerability in FortiOS and FortiProxy.
What is the severity of CVE-2022-39948?
CVE-2022-39948 has a severity rating of 7.4 (high).
Which software versions are affected by CVE-2022-39948?
CVE-2022-39948 affects FortiOS versions 6.0.0 to 7.0.7 and FortiProxy versions 1.2.0 to 2.0.9.
What is the Common Weakness Enumeration (CWE) of CVE-2022-39948?
CVE-2022-39948 is classified under CWE-295 (Improper Certificate Validation).
How can I fix the CVE-2022-39948 vulnerability?
To fix the CVE-2022-39948 vulnerability, it is recommended to update FortiOS and FortiProxy to the latest versions provided by Fortinet.

agent/type
agent/softwarecombine
collector/nvd-index
agent/software-canonical-lookup-request
agent/references
agent/author
agent/weakness
collector/mitre-cve
source/MITRE
agent/remedy
agent/severity
agent/last-modified-date
agent/tags
agent/description
agent/first-publish-date
agent/event
vendor/fortinet
canonical/fortinet fortiproxy
version/fortinet fortiproxy/1.2.0
version/fortinet fortiproxy/2.0.9
version/fortinet fortiproxy/7.0.0
canonical/fortinet fortios
version/fortinet fortios/6.0.0
version/fortinet fortios/7.2.0

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