CVE-2023-42782: Syslog not protected by an extra layer of authentication
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.
Other sources
A insufficient verification of data authenticity vulnerability [CWE-345] in FortiAnalyzer, FortiAnalyzer-BigData and FortiManager with FortiAnalyzer features may allow a remote unauthenticated attacker to send messages to the syslog server of FortiAnalyzer via the knoweldge of an authorized device serial number.
— FortiGuard
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID is CVE-2023-42782.
What is the severity of CVE-2023-42782?
The severity of CVE-2023-42782 is medium with a severity value of 5.3.
Which software is affected by CVE-2023-42782?
FortiAnalyzer versions 6.2.0 to 6.2.12, 6.4.0 to 6.4.13, 7.0.0 to 7.0.9, and 7.2.0 to 7.2.3 are affected by CVE-2023-42782.
How does CVE-2023-42782 work?
CVE-2023-42782 allows a remote unauthenticated attacker to send messages to the syslog server of FortiAnalyzer using the knowledge of an authorized device serial number.
Is there a fix for CVE-2023-42782?
Yes, Fortinet has released a fix for CVE-2023-42782. It is recommended to upgrade to FortiAnalyzer version 7.4.1 or later.