CVE-2023-42782 Auth bypass in FortiAnalyzer
Remote unauthenticated attackers can inject messages into FortiAnalyzer syslog by spoofing authorized device serial numbers, compromising log integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-42782?
CVE-2023-42782 is a medium-severity authentication bypass vulnerability in Fortinet Fortianalyzer, published on 10 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-345
Which versions are affected by CVE-2023-42782?
It affects 1 product.
Products include Fortinet Fortianalyzer.
How do I fix CVE-2023-42782?
No fix has been published for CVE-2023-42782 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-42782 being exploited?
There is no known exploitation of CVE-2023-42782 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortianalyzer
- CVE-2026-24858 Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel
- CVE-2023-25610 Memory corruption in FortiAnalyzer
- CVE-2021-32603 Server-side request forgery in Fortinet FortiAnalyzer, FortiManager
- CVE-2020-12817 Cross-site scripting in Fortinet FortiAnalyzer
- CVE-2024-48886 Auth bypass in FortiOS
Sources
Also known as GHSA-g4h5-9rrr-q667.