CVE-2023-42782

Description

A insufficient verification of data authenticity vulnerability [CWE-345] in FortiAnalyzer version 7.4.0 and below 7.2.3 allows a remote unauthenticated attacker to send messages to the syslog server of FortiAnalyzer via the knoweldge of an authorized device serial number.

Remediation

Solution:

  • Please upgrade to FortiAnalyzer version 7.4.1 or above Please upgrade to FortiAnalyzer version 7.2.4 or above AND  Configure the "un-encrypted-logging" option to disable receiving syslog without encryption through UDP(514) or TCP(514). config system log setting     set un-encrypted-logging disable

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.32%
Vendor Advisory fortiguard.com
Affected: Fortinet FortiAnalyzer
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/psirt/FG-IR-23-221 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-42782?
CVE-2023-42782 has been scored as a medium severity vulnerability.
How to fix CVE-2023-42782?
To fix CVE-2023-42782: Please upgrade to FortiAnalyzer version 7.4.1 or above Please upgrade to FortiAnalyzer version 7.2.4 or above AND  Configure the "un-encrypted-logging" option to disable receiving syslog without encryption through UDP(514) or TCP(514). config system log setting     set un-encrypted-logging disable
Is CVE-2023-42782 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-42782 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-2023-42782?
CVE-2023-42782 affects Fortinet FortiAnalyzer.
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