How severe is CVE-2017-7905?

CVE-2017-7905 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-7905 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7905?

CVE-2017-7905 primarily affects Ge Multilin Sr 750 Feeder Protection Relay Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7905?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-7905 published?

CVE-2017-7905 was published on 2017-06-30 and last updated on 2026-06-17.

CVE-2017-7905

CVE-2017-7905 is a critical-severity vulnerability in Ge Multilin Sr 750 Feeder Protection Relay Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-326.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-326
Affected product: Ge Multilin Sr 750 Feeder Protection Relay Firmware
Published: 2017-06-30
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-7905?: 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.
How severe is CVE-2017-7905?: CVE-2017-7905 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-7905 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7905?: CVE-2017-7905 primarily affects Ge Multilin Sr 750 Feeder Protection Relay Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-7905?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-7905 published?: CVE-2017-7905 was published on 2017-06-30 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:ge:multilin_sr_750_feeder_protection_relay_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_sr_760_feeder_protection_relay_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_sr_469_motor_protection_relay_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_sr_489_generator_protection_relay_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_sr_745_transformer_protection_relay_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_sr_369_motor_protection_relay_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_universal_relay_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_urplus_d90_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_urplus_c90_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:ge:multilin_urplus_b95_firmware:-:*:*:*:*:*:*:*

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