Access Token Exposure in GridTime 3000 GNSS Time Server

Publication date: 2026-06-19

Last updated on: 2026-07-09

Assigner: Microchip Technology

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-19

Last Modified

2026-07-09

Generated

2026-07-10

AI Q&A

2026-06-19

EPSS Evaluated

2026-07-08

NVD

CVE-2026-12620

EUVD

EUVD-2026-38041

Affected Vendors & Products

Vendor	Product	Version / Range
microchip	gridtime_3000_firmware	From 1.0r0.03 (inc) to 1.2r0.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

The vulnerability in the GridTime 3000 GNSS Time Server involves the leakage of an access token through URL parameters on some endpoints. This means that sensitive authentication tokens are exposed in the URLs, which can be captured or observed by unauthorized parties.

Impact Analysis

Because the access token is leaked in URL parameters, attackers or unauthorized users could potentially intercept these tokens and use them to gain unauthorized access to the system or services that rely on these tokens for authentication.

Hi! I’m here to help you understand CVE-2026-12620. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70