PT-2012-1974 · Open Automation · Open Automation Software Opc Systems.Net

Published 2012-04-18 · Updated 2012-04-20 · CVE-2011-4871

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Open Automation Software OPC Systems.NET versions prior to 5.0

Description The issue allows remote attackers to cause a denial of service via a malformed .NET RPC packet on TCP port 58723.

Recommendations For versions prior to 5.0, update to version 5.0 or later to resolve the issue.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2011-4871

Affected Products

Open Automation Software Opc Systems.Net

References · 3

• 🔥 https://exploit-db.com/exploits/17965 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2011-4871 · Security Note
• http://us-cert.gov/control_systems/pdf/ICSA-12-012-01.pdf · Note