CVE-2017-7905

CRITICAL

GE Multilin SR, UR, and URplus Protective Relays - Weak Password Encoding via Non-Random Initialization Vector

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/98063
Patch, Third Party Advisory, US Government Resource x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSA-17-117-01A

Scores

CVSS v3 9.8
EPSS 0.0128
EPSS Percentile 66.2%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-261 CWE-326 CWE-330 CWE-522
Status published
Products (11)
ge/multilin_sr_369_motor_protection_relay_firmware
ge/multilin_sr_469_motor_protection_relay_firmware < 2.90
ge/multilin_sr_489_generator_protection_relay_firmware < 1.53
ge/multilin_sr_745_transformer_protection_relay_firmware < 2.85
ge/multilin_sr_750_feeder_protection_relay_firmware < 5.02
ge/multilin_sr_760_feeder_protection_relay_firmware < 5.02
ge/multilin_universal_relay_firmware < 6.0
ge/multilin_urplus_b95_firmware
ge/multilin_urplus_c90_firmware
ge/multilin_urplus_d90_firmware
... and 1 more
Published Jun 30, 2017
Tracked Since Feb 18, 2026