Cross-Site Scripting (XSS) Vulnerability in Password Reset Redirect in GridTime™ 3000 GNSS Time Server
Summary
| CVE | CVE-2026-12621 |
|---|---|
| State | PUBLISHED |
| Assigner | Microchip |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-19 16:16:17 UTC |
| Updated | 2026-06-19 16:16:17 UTC |
| Description | Improper neutralization of input during web page generation XSS vulnerability in the GridTime 3000 (password reset form) allows XSS. This issue affects GridTime 3000: from 1.0r0.03 before 1.2r0.0. |
Risk And Classification
Primary CVSS: v4.0 5.3 MEDIUM from dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | dc3f6da9-85b5-4a73-84a2-2ec90b40fca5 | Secondary | 5.3 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 5.3 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
LowIntegrity
LowAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Microchip | GridTime 3000 | affected 1.0r0.03 1.1r0.0 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-... | dc3f6da9-85b5-4a73-84a2-2ec90b40fca5 | www.microchip.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Solutions
CNA: Upgrade GridTime 3000 GNSS Time Server to the latest firmware. As of the firmware release 1.2r0.0, parameter sanitization has been improved to not allow execution of arbitrary queries.
There are currently no legacy QID mappings associated with this CVE.