ICS OPC UA Open Multiple Secure Channels Attempt (CVE-2023-32787) state 1-F/Flow

Rule ID

1238380

Severity

High

Description

The OPC UA Legacy Java Stack before 6f176f2 enables an attacker to block OPC UA server applications via uncontrolled resource consumption so that they can no longer serve client applications.

Impact

Denial of service

Recommendation

Update vendor's patch.

IPS Category

ICS threats

IPS Anomaly Group

N/A

IPS Rule Default Action

Allow

References

Keywords

N/A