CVE-2022-39948

Description

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)

Remediation

Solution:

  • 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

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Vendor Advisory fortiguard.com
Affected: Fortinet FortiProxy
Affected: Fortinet FortiOS
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/psirt/FG-IR-22-257 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-39948?
CVE-2022-39948 has been scored as a medium severity vulnerability.
How to fix CVE-2022-39948?
To fix CVE-2022-39948: 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
Is CVE-2022-39948 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-39948 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-39948?
CVE-2022-39948 affects Fortinet FortiProxy, Fortinet FortiOS.
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