CVE-2021-27442
Weintek EasyWeb cMT Cross-site Scripting
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Weintek EasyWeb cMT Cross-site Scripting
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.
- Record
CVE-2021-27442- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-14196
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.
- Record
EUVD-2021-14196- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-39vj-8gx7-5cj5
The Weintek cMT product line is vulnerable to a cross-site scripting vulnerability, which could...
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.
- Record
GHSA-39vj-8gx7-5cj5- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-27442- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
- weintek cmt-ctrl01
- weintek cmt-ctrl01 firmware
- weintek cmt-fhd
- weintek cmt-fhd firmware
- weintek cmt-g01/g02
- weintek cmt-g01 firmware
- weintek cmt-g02 firmware
- weintek cmt-g03/g04
- weintek cmt-g03 firmware
- weintek cmt-g04 firmware
- weintek cmt-hdm
- weintek cmt-hdm firmware
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- weintek cmt-svr-100 firmware
- weintek cmt-svr-102 firmware
- weintek cmt-svr-1xx/2xx
- weintek cmt-svr-200 firmware
- weintek cmt-svr-202 firmware
- weintek cmt3071/cmt3072/cmt3090/cmt3103/cmt3151
- weintek cmt3071 firmware
- weintek cmt3072 firmware
- weintek cmt3090 firmware
- weintek cmt3103 firmware
- weintek cmt3151 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27442 is a critical vulnerability (CVSS 9.4) in Weintek Cmt-ctrl01, published May 16, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. No source names a fixed version.