Stack-based Buffer Overflow in CODESYS V2 Web-Server by CODESYS
CVE-2021-30189

9.8CRITICAL

Key Information:

Vendor

Codesys

Status
V2 Web Server
Vendor
CVE Published:
25 May 2021

What is CVE-2021-30189?

The CODESYS V2 Web-Server prior to version 1.1.9.20 is susceptible to a stack-based buffer overflow vulnerability. This flaw can be exploited by an attacker to cause unexpected behavior in the system, potentially leading to remote code execution or denial of service. Users of the CODESYS V2 Web-Server are advised to upgrade to the latest version to mitigate the associated risks.

References

https://customers.codesys.com/index.php
x_refsource_MISC
https://customers.codesys.com/index.php?eID=dumpFile&t=f&...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.