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CVE-2026-12622— Open Redirect Vulnerability in Password Reset Submission in GridTime™ 3000 GNSS Time Server

Quick assessment

Affected
Microchip GridTime 3000
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microchip GridTime 3000是美国Microchip公司的一个网络时间同步服务器。 Microchip GridTime 3000 1.0r0.03至1.1r0.0版本存在输入验证错误漏洞，该漏洞源于密码更改表单提交中存在开放重定向，可能导致攻击者通过开放重定向漏洞进行钓鱼攻击。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microchip GridTime 3000 1.0r0.03≤ 1.1r0.0 affected
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I. Basic Information for CVE-2026-12622

Vulnerability Information
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Vulnerability Title
Open Redirect Vulnerability in Password Reset Submission in GridTime™ 3000 GNSS Time Server
Source: CVE Program / CVE List V5
Vulnerability Description
The GridTime 3000 GNSS Time Server has an open redirect vulnerability in the password change form submission. This issue affects GridTime 3000: from 1.0r0.03 through 1.1r0.0.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
Microchip GridTime 3000 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microchip GridTime 3000是美国Microchip公司的一个网络时间同步服务器。 Microchip GridTime 3000 1.0r0.03至1.1r0.0版本存在输入验证错误漏洞，该漏洞源于密码更改表单提交中存在开放重定向，可能导致攻击者通过开放重定向漏洞进行钓鱼攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microchip GridTime 3000 1.0r0.03 ~ 1.1r0.0 -

II. Public POCs for CVE-2026-12622

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III. Intelligence Information for CVE-2026-12622

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News Coverage for CVE-2026-12622 (1)

Same Patch Batch · Microchip · 2026-06-19 · 4 CVEs total

CVE-2026-12619 GridTime™ 3000 GNSS Time Server CSRF to XSS
CVE-2026-12620 Access Token Exposure in URL Parameters in GridTime™ 3000 GNSS Time Server
CVE-2026-12621 Cross-Site Scripting (XSS) Vulnerability in Password Reset Redirect in GridTime™ 3000 GNSS

IV. Related Vulnerabilities

Same product: GridTime 3000
Same vendor: Microchip
Same weakness: CWE-601

V. Comments for CVE-2026-12622

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