CVE-2026-12620

Access Token Exposure in URL Parameters in GridTime™ 3000 GNSS Time Server

Published Jun 19, 2026 CVSS 4.0 · 4.6 Medium EPSS < 1% KEV · Not listed
Description
The GridTime 3000 GNSS Time Server leaks the access token in the URL parameters of some endpoints.

This issue affects GridTime 3000: from 1.0r0.03 through 1.1r0.0.

Remediation

Vendor Solution

Upgrade GridTime 3000 GNSS Time Server to the latest firmware. As of the firmware release 1.2r0.0, Access tokens have been removed from URL parameters on affected endpoints.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Microchip
Microchip gridtime 3000
Vendors & Products Microchip
Microchip gridtime 3000
Type Values Removed Values Added
Description The GridTime 3000 GNSS Time Server leaks the access token in the URL parameters of some endpoints. This issue affects GridTime 3000: from 1.0r0.03 through 1.1r0.0.
Title Access Token Exposure in URL Parameters in GridTime™ 3000 GNSS Time Server
Weaknesses CWE-200
References
Metrics cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Microchip
Published
Updated
Jun 29, 2026, 5:22 AM
Reserved
Jun 18, 2026, 2:15 PM
Status
Analyzed
Published
Jun 19, 2026, 4:16 PM
Modified
Oct 25, 2026, 11:10 PM