CVE-2025-54923 Deserialization in EcoStruxure™ Power Monitoring Expert (PME)
Authenticated attackers can achieve remote code execution via unsafe deserialization in Schneider Electric power monitoring and reporting modules.
- 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-2025-54923?
CVE-2025-54923 is a high-severity unsafe deserialization vulnerability in Schneider Electric EcoStruxure™ Power Monitoring Expert (PME), published on 20 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
CWE-502: Deserialization of Untrusted Data vulnerability exists that could cause remote code execution and compromise of system integrity when authenticated users send crafted data to a network-exposed service that performs unsafe deserialization.
Weakness: CWE-502
Which versions are affected by CVE-2025-54923?
How do I fix CVE-2025-54923?
No fix has been published for CVE-2025-54923 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-54923 being exploited?
There is no known exploitation of CVE-2025-54923 in the wild and no public exploit code.
Sources
Also known as GHSA-mxxc-fc9q-89hw.