SB2021032507 - Multiple vulnerabilities in Weintek cMT

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Code Injection (CVE-ID: CVE-2021-27446)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Improper access control (CVE-ID: CVE-2021-27444)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.

3) Cross-site scripting (CVE-ID: CVE-2021-27442)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Remediation

Install update from vendor's website.

References

• https://ics-cert.us-cert.gov/advisories/icsa-21-082-01