What is the CVSS score of CVE-2017-7905?

CVE-2017-7905 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Is there a patch available for CVE-2017-7905?

Yes, a patch is available for CVE-2017-7905. Update the affected software to the latest version immediately.

Multilin Sr 750 Feeder Protection Relay Firmware CVE-2017-7905

CRITICAL

Weak Encoding for Password (CWE-261)

2017-06-30 ics-cert@hq.dhs.gov

Information Disclosure Multilin Sr 750 Feeder Protection Relay Firmware Multilin Sr 760 Feeder Protection Relay Firmware Multilin Sr 469 Motor Protection Relay Firmware Multilin Sr 489 Generator Protection Relay Firmware Multilin Sr 745 Transformer Protection Relay Firmware Multilin Sr 369 Motor Protection Relay Firmware Multilin Universal Relay Firmware Multilin Urplus D90 Firmware Multilin Urplus C90 Firmware Multilin Urplus B95 Firmware

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 30, 2017 - 03:29 cve.org

CRITICAL 9.8

DescriptionCVE.org

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.

AnalysisAI

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,. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-261. 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 include: Ge Multilin Sr 750 Feeder Protection Relay Firmware, Ge Multilin Sr 760 Feeder Protection Relay Firmware, Ge Multilin Sr 469 Motor Protection Relay Firmware, Ge Multilin Sr 489 Generator Protection Relay Firmware, Ge Multilin Sr 745 Transformer Protection Relay Firmware. Version information: Version 7.47.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.