Heap-based Buffer Overflow in CODESYS Control Runtime by CODESYS
CVE-2021-33485

9.8CRITICAL

Key Information:

Vendor

Codesys

Status
Control Win Sl
Control Runtime System Toolkit
Embedded Target Visu Toolkit
Hmi
Vendor
CVE Published:
3 August 2021

What is CVE-2021-33485?

The CODESYS Control Runtime system prior to version 3.5.17.10 is vulnerable to a heap-based buffer overflow, which could potentially allow an attacker to execute arbitrary code or disrupt normal operations. This vulnerability arises from improper handling of data, permitting excessive allocation of memory that can lead to unexpected behavior. Users are urged to update to the latest version to mitigate this risk.

References

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

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

.