CVE-2025-52578 Weak cryptography in High Sec End of Line Module
A weak PRNG seed in the High Sec ELM allows attackers with physical access to compromise internal device communications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-52578?
CVE-2025-52578 is a medium-severity vulnerability in Gallagher High Sec End of Line Module, published on 18 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Incorrect Usage of Seeds in Pseudo-Random Number Generator (CWE- 335) vulnerability in the High Sec ELM may allow a sophisticated attacker with physical access, to compromise internal device communications.
This issue affects Command Centre Server:
9.30 prior to vCR9.30.251028a (distributed in 9.30.2881 (MR3)), 9.20 prior to vCR9.20.251028a (distributed in 9.20.3265 (MR5)), 9.10 prior to vCR9.10.251028a (distributed in 9.10.4135 (MR8)), all versions of 9.00 and prior.
Weakness: CWE-335
Which versions are affected by CVE-2025-52578?
How do I fix CVE-2025-52578?
No fix has been published for CVE-2025-52578 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-52578 being exploited?
There is no known exploitation of CVE-2025-52578 in the wild and no public exploit code.
Sources
Also known as GHSA-9567-rh6q-rf53.