CVE-2023-7342 Belden HiSecOS Web Server Privilege Escalation
Authenticated operators or auditors can escalate to administrator privileges on Belden HiSecOS devices via crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-7342?
CVE-2023-7342 is a high-severity vulnerability in Belden Hirschmann HiSecOS EAGLE, published on 2 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
HiSecOS web server versions 03.4.00 prior to 04.1.00 contains a privilege escalation vulnerability that allows authenticated users with operator or auditor roles to escalate privileges to the administrator role by sending specially crafted packets to the web server. Attackers can exploit this flaw to gain full administrative access to the affected device.
Weakness: CWE-269
Which versions are affected by CVE-2023-7342?
How do I fix CVE-2023-7342?
No fix has been published for CVE-2023-7342 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-7342 being exploited?
There is no known exploitation of CVE-2023-7342 in the wild and no public exploit code.
Sources
Also known as GHSA-9gx6-2p86-g496.