What’s Vulnerable › Vulnerabilities

CVE-2020-25193: GE Reason RT43X Clocks Use of Hard-coded Cryptographic Key

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-18 · updated 2026-06-17
• Weakness: CWE-321

Description

By having access to the hard-coded cryptographic key for GE Reason RT430, RT431 & RT434 GNSS clocks in firmware versions prior to version 08A06, attackers would be able to intercept and decrypt encrypted traffic through an HTTPS connection.

Affected products

• GE Rt430 Firmware: before 08a06 — fixed in 08a06
• GE Rt431 Firmware: before 08a06 — fixed in 08a06
• GE Rt434 Firmware: before 08a06 — fixed in 08a06

How to fix

Upgrade to a fixed version: GE Rt430 Firmware 08a06; GE Rt431 Firmware 08a06; GE Rt434 Firmware 08a06. Check the vendor advisory for mitigations.

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-21-005-03
• https://www.gegridsolutions.com/app/DownloadFile.aspx?prod=RT430&type=21&file=5
• https://www.cisa.gov/uscert/ics/advisories/icsa-21-005-03
• https://www.gegridsolutions.com/app/DownloadFile.aspx?prod=RT430&type=21&file=5

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