PatchTheCVECVE-2020-12017: GE Grid Solutions Reason RT Clocks, RT430, RT431, and RT434, all firmware versions prior to 08A05
CVE-2020-12017 is a critical-severity flaw (CVSS 9.8) affecting rt430 firmware, rt431 firmware, rt434 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
GE Grid Solutions Reason RT Clocks, RT430, RT431, and RT434, all firmware versions prior to 08A05. The device’s vulnerability in the web application could allow multiple unauthenticated attacks that could cause serious impact. The vulnerability may allow an unauthenticated attacker to execute arbitrary commands and send a request to a specific URL that could cause the device to become unresponsive. The unauthenticated attacker may change the pass
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 2.3% (top 16%) |
| CISA exploited list | No |
| Weakness | CWE-306 |
| Published | 2020-06-02 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-12017?
rt430 firmware: upgrade to 08a05; rt431 firmware: upgrade to 08a05; rt434 firmware: upgrade to 08a05. Exact commands for each OS are on this page.
Is CVE-2020-12017 being exploited?
CVE-2020-12017 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-12017 affect?
CVE-2020-12017 affects rt430 firmware, rt431 firmware, rt434 firmware. Severity is critical (CVSS 9.8). GE Grid Solutions Reason RT Clocks, RT430, RT431, and RT434, all firmware versions prior to 08A05. The device’s vulnerability in the web application could allow multiple unauthenticated attacks that could cause serious impact. The vulnerabi
How urgent is CVE-2020-12017?
Priority 60/100. Critical severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2020-25197 CRITICAL 9.8 UPGRADE UPGRADE A code injection vulnerability exists in one of the webpages in GE Reason RT430, RT431 & RT434 GNSS clocks in
- CVE-2020-25193 MEDIUM 5.3 UPGRADE UPGRADE By having access to the hard-coded cryptographic key for GE Reason RT430, RT431 & RT434 GNSS clocks in firmwar