Reachable Assertion in lib60870.NET - CVE-2021-21778

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Main Vulnerability Database Vulnerabilities #VU56087

Reachable Assertion in lib60870.NET - CVE-2021-21778

Published: August 25, 2021


Vulnerability identifier: #VU56087
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-21778
CWE-ID: CWE-617
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: MZ Automation
Affected software:
lib60870.NET

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion in the ASDU message processing functionality. A remote attacker can send a specialy crafted request and cause a denial of service (DoS) condition on the target system.


How to mitigate CVE-2021-21778

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources