CVE-2017-7905

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-06-30 · updated 2026-06-17
Weakness: CWE-261

Description

A Weak Cryptography for Passwords issue was discovered in General Electric (GE) Multilin SR 750 Feeder Protection Relay, firmware versions prior to Version 7.47; SR 760 Feeder Protection Relay, firmware versions prior to Version 7.47; SR 469 Motor Protection Relay, firmware versions prior to Version 5.23; SR 489 Generator Protection Relay, firmware versions prior to Version 4.06; SR 745 Transformer Protection Relay, firmware versions prior to Version 5.23; SR 369 Motor Protection Relay, all firmware versions; Multilin Universal Relay, firmware Version 6.0 and prior versions; and Multilin URplus (D90, C90, B95), all versions. Ciphertext versions of user passwords were created with a non-random initialization vector leaving them susceptible to dictionary attacks. Ciphertext of user passwords can be obtained from the front LCD panel of affected products and through issued Modbus commands.

Affected products

GE Multilin Sr 369 Motor Protection Relay Firmware: all versions
GE Multilin Sr 469 Motor Protection Relay Firmware: through 2.90
GE Multilin Sr 489 Generator Protection Relay Firmware: through 1.53
GE Multilin Sr 745 Transformer Protection Relay Firmware: through 2.85
GE Multilin Sr 750 Feeder Protection Relay Firmware: through 5.02
GE Multilin Sr 760 Feeder Protection Relay Firmware: through 5.02
GE Multilin Universal Relay Firmware: through 6.0
GE Multilin Urplus B95 Firmware: all versions
GE Multilin Urplus C90 Firmware: all versions
GE Multilin Urplus D90 Firmware: all versions

References

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