CVE-2023-47537

Description

An improper certificate validation vulnerability in Fortinet FortiOS 7.0.0 - 7.0.13, 7.2.0 - 7.2.6, 7.4.0 - 7.4.1 and 6.4 all versions allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch.

Remediation

Solution:

  • Please upgrade to FortiOS version 7.4.2 or above Please upgrade to FortiOS version 7.2.7 or above Please upgrade to FortiOS version 7.0.16 or above

Category

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

References

Link Tags
https://fortiguard.com/psirt/FG-IR-23-301 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-47537?
CVE-2023-47537 has been scored as a medium severity vulnerability.
How to fix CVE-2023-47537?
To fix CVE-2023-47537: Please upgrade to FortiOS version 7.4.2 or above Please upgrade to FortiOS version 7.2.7 or above Please upgrade to FortiOS version 7.0.16 or above
Is CVE-2023-47537 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-47537 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-2023-47537?
CVE-2023-47537 affects Fortinet FortiOS.
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