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Status published
Critical
CVE-2021-27442
Weintek EasyWeb cMT Cross-site Scripting
Vulnerability Description
The Weintek cMT product line is vulnerable to a cross-site scripting vulnerability, which could allow an unauthenticated remote attacker to inject malicious JavaScript code.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Marcin Dudek from CERT.PL reported these vulnerabilities to CISA.
References
More from Weintek
View All →CVE-2025-14751
Unverified Password Change in Weintek cMT X Series HMI EasyWeb Service
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8.7
CVE-2025-14750
External Control of Assumed-Immutable Web Parameter in Weintek cMT X Series HMI EasyWeb Service
High
8.7
CVE-2023-5777
Weintek EasyBuilder Pro Use of Hard-coded Credentials
Critical
9.8
CVE-2023-43492
Weintek cMT3000 HMI Web CGI Stack-based Buffer Overflow
Critical
9.8
CVE-2023-40145
Weintek cMT3000 HMI Web CGI OS Command Injection
High
8.8
Affected Vendor
Weintek
View all reports →Affected Software
cMT-SVR-1xx/2xx, cMT-G01/G02, cMT-G03/G04, cMT3071/cMT3072/cMT3090/cMT3103/cMT3151, cMT-HDM, cMT-FHD, cMT-CTRL01
Vulnerable Versions:
unspecified
Timeline
Official Publish:
May 16th, 2022
Last Modified:
April 16th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L