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Fencer Vulns
critical 9.8

CVE-2020-25197 json

GE Reason RT43X Clocks Code Injection

published 2022-03-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-17888

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

A code injection vulnerability exists in one of the webpages in GE Reason RT430, RT431 & RT434 GNSS clocks in firmware versions prior to version 08A06 that could allow an authenticated remote attacker to execute arbitrary code on the system.

Patch / fix

  • GE Reason RT43X Clocks 08A06

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-005-03 updated cvss 9.8

GE Reason RT43X Clocks

  • General Electric (GE) RT430 RT431 & RT434 < 08A06
    affected: mitigation “Use strong network and physical security protection to prevent an attacker from reaching the local network where Reason RT43X clocks are normally installed.” gegridsolutions.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
18 mo ago

Exploit prediction

3.17% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

  • GE Reason RT43X Clocks

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.