Out-of-Bounds Write Vulnerability in CODESYS V2 Web-Server Software
CVE-2021-30193
9.8CRITICAL
What is CVE-2021-30193?
The CODESYS V2 Web-Server versions earlier than 1.1.9.20 are susceptible to an Out-of-Bounds Write vulnerability. This security flaw can occur when the web-server processes data and allows attackers to write outside the allocated memory space. Exploiting this vulnerability may lead to unauthorized access to critical system components, which can compromise the integrity and confidentiality of the environment. Users of affected versions are strongly advised to upgrade to the latest version to mitigate potential risks.
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References
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