Security readout for executives and security teams
Plain-English summary
GE Reason RT430, RT431, and RT434 GNSS clocks running firmware before 08A06 have a code injection flaw in a webpage. A successful attacker could run arbitrary code on the device, creating serious risk to systems that depend on trusted time sources.
Executive priority
Treat as urgent for OT or infrastructure sites using these clocks. Prioritize inventory and firmware verification first, then isolate or update affected devices according to vendor guidance.
Technical view
CVE-2020-25197 is a CWE-94 code injection issue affecting a webpage in GE Reason RT43X clocks. The CVE record lists CVSS 3.1 score 9.8 with network attack vector and full confidentiality, integrity, and availability impact. The description says exploitation involves an authenticated remote attacker.
Likely exposure
Exposure is likely limited to environments using GE Reason RT430, RT431, or RT434 GNSS clocks with firmware older than 08A06, especially where management interfaces are reachable over operational or enterprise networks.
Exploitation context
The provided sources do not show CISA KEV listing or public active exploitation. The record is still high priority because it is network reachable and allows arbitrary code execution on operational timing equipment.
Researcher notes
One evidence gap is privilege context: the description says authenticated remote attacker, while the CVSS vector includes PR:N. Do not assume exploitability without credentials until vendor guidance clarifies the discrepancy.
Mitigation direction
- Identify all GE Reason RT430, RT431, and RT434 clocks in the environment.
- Verify firmware versions and prioritize devices below 08A06.
- Review GE and CISA guidance for vendor-approved upgrade instructions.
- Restrict management interface access to trusted administration networks.
- Require strong administrative authentication and remove unnecessary remote exposure.
Validation and detection
- Inventory affected clock models through asset records and network management data.
- Confirm each device firmware version against the 08A06 threshold.
- Validate management interfaces are not exposed to untrusted networks.
- Check device and access logs for unexpected administrative activity.
- Document remediation status for each identified RT43X device.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-25197 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-005-03CVE reference · x_refsource_CONFIRM
- https://www.gegridsolutions.com/app/DownloadFile.aspx?prod=RT430&type=21&file=5CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.