Denial of Service via RPC in Siemens SIMATIC PCS 7 V9.1 < SP2 UC05
CVE-2023-48364 Published on February 13, 2024
A vulnerability has been identified in OpenPCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC BATCH V9.1 (All versions < V9.1 SP2 UC05), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC Route Control V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 4), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 15), SIMATIC WinCC V8.0 (All versions < V8.0 Update 4). The implementation of the RPC (Remote Procedure call) communication protocol in the affected products do not properly handle certain malformed RPC messages. An attacker could use this vulnerability to cause a denial of service condition in the RPC server.
Weakness Type
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.
Products Associated with CVE-2023-48364
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Affected Versions
Siemens OpenPCS 7 V9.1:- Version All versions < V9.1 SP2 UC05 is affected.
- Version All versions < V9.1 SP2 UC05 is affected.
- Before V9.1 SP2 UC05 is affected.
- Version All versions < V9.1 SP2 UC05 is affected.
- Before V18 Update 4 is affected.
- Before V19 Update 2 is affected.
- Before * is affected.
- Before V7.5 SP2 Update 15 is affected.
- Before V8.0 Update 4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.