CVE-2025-52543 Login to the application services using only the password hash
Attackers can bypass authentication in E3 Site Supervisor Control by using the password hash, gaining unauthorized access to application services.
- 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-2025-52543?
CVE-2025-52543 is a medium-severity authentication bypass vulnerability in Copeland LP E3 Supervisory Control, published on 2 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
E3 Site Supervisor Control (firmware version < 2.31F01) application services (MGW and RCI) uses client side hashing for authentication. An attacker can authenticate by obtaining only the password hash.
Weakness: CWE-836
Which versions are affected by CVE-2025-52543?
It affects 1 product.
Products include Copeland E3 Supervisory Controller Firmware.
How do I fix CVE-2025-52543?
No fix has been published for CVE-2025-52543 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-2025-52543 being exploited?
There is no known exploitation of CVE-2025-52543 in the wild and no public exploit code.
Other vulnerabilities in Copeland LP E3 Supervisory Control
- CVE-2025-6519 Consistent predictable generation of the password for the default admin user "ONEDAY" to the application services
- CVE-2025-52549 Predictable root linux password generation
- CVE-2025-52544 Arbitrary read file from the filesystem
- CVE-2025-52547 DoS to the application services
- CVE-2025-52550 Firmware upgrade packages are unsigned
Sources
Also known as GHSA-r764-c6vg-r345.