Topic

Protection relays

Microprocessor-based devices installed in electrical substations that monitor current and voltage, detect faults, and command circuit breakers to open. Modern units carry network interfaces for configuration and event retrieval.

Current clusters

security1 publisher

Siemens Reyrolle 7SR5 relays generate session tokens an unauthenticated attacker can compute

Siemens has released V2.70 for the Reyrolle 7SR5 protection relay. The CISA advisory behind it describes a session identifier an unauthenticated remote attacker can derive, plus five memory bugs in an embedded third-party web server.

Publishers:cisa.gov

Reality

Evidence70
Adoption: Insufficient
Hype gap0
Incentives45
Confidence72