CVE-2026-12620

EUVD-2026-38041
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 13%
Affected Products (NVD)
VendorProductVersion
microchipgridtime_3000_firmware
1.0r0.03 ≤
𝑥
< 1.2r0.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/gridtime-3000-gnss-time-server-access-token-exposure