CVE-2021-27442: Weintek EasyWeb cMT Cross-site Scripting

Medium severity · published May 16, 2022

CVE-2021-27442

Weintek EasyWeb cMT Cross-site Scripting

6.1

CVSS

0.9%

EPSS

On KEV

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.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

Low

Integrity

Low

Availability

None

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)0.9% · higher than 60% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

cMT-CTRL01 · Weintek

before 20210302 · source: vendor

cMT-FHD · Weintek

before 20210208 · source: vendor

cMT-G01/G02 · Weintek

before 20210209 · source: vendor

cMT-G03/G04 · Weintek

before 20210222 · source: vendor

cMT-HDM · Weintek

before 20210204 · source: vendor

cMT-SVR-1xx/2xx · Weintek

before 20210305 · source: vendor

cMT3071/cMT3072/cMT3090/cMT3103/cMT3151 · Weintek

before 20210218 · source: vendor

Cmt-ctrl01 Firmware · Weintek

before 20210302 · source: NVD

Cmt-fhd Firmware · Weintek

before 20210208 · source: NVD

Cmt-g01 Firmware · Weintek

before 20210209 · source: NVD

Cmt-g02 Firmware · Weintek

before 20210209 · source: NVD

Cmt-g03 Firmware · Weintek

before 20210222 · source: NVD

Affected product

cMT-CTRL01

Weintek

All cMT-CTRL01 CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-27442

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-27442

Mitigation

https://dl.weintek.com/public/Document/TEC/TEC21001E_cMT_EasyWeb_V1_Security_Issues.pdf

Third Party Advisory

https://www.cisa.gov/uscert/ics/advisories/icsa-21-082-01