CVE-2021-27442

Name: CVE-2021-27442
Creator: NVD / NIST
Published: 2022-05-16T18:15:08.043+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.82%

Last modified Jun 17, 2026

CVE-2021-27442 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.82%

52.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Weintek	Cmt-Svr-100 Firmware	< 20210305
Weintek	Cmt-Svr-102 Firmware	< 20210305
Weintek	Cmt-Svr-200 Firmware	< 20210305
Weintek	Cmt-Svr-202 Firmware	< 20210305
Weintek	Cmt-G01 Firmware	< 20210209
Weintek	Cmt-G02 Firmware	< 20210209
Weintek	Cmt-G03 Firmware	< 20210222
Weintek	Cmt-G04 Firmware	< 20210222
Weintek	Cmt3071 Firmware	< 20210218
Weintek	Cmt3072 Firmware	< 20210218
Weintek	Cmt3090 Firmware	< 20210218
Weintek	Cmt3103 Firmware	< 20210218
Weintek	Cmt3151 Firmware	< 20210218
Weintek	Cmt-Hdm Firmware	< 20210204
Weintek	Cmt-Fhd Firmware	< 20210208
Weintek	Cmt-Ctrl01 Firmware	< 20210302

References

https://dl.weintek.com/public/Document/TEC/TEC21001E_cMT_EasyWeb_V1_Security_Issues.pdfMitigation, Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-082-01Third Party Advisory, US Government Resource
https://dl.weintek.com/public/Document/TEC/TEC21001E_cMT_EasyWeb_V1_Security_Issues.pdfMitigation, Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-082-01Third Party Advisory, US Government Resource

Timeline

Published: May 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-27442?

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.

How severe is CVE-2021-27442?

CVE-2021-27442 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27442?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-27442?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST