NULL pointer dereference in Siemens Openpcs 7
CVE-2023-48364
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.
EPSS: 0.003 (18.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Siemens Openpcs_7
- Siemens Openpcs 7 V9.1 — versions All versions < V9.1 SP2 UC05
- Siemens Simatic_batch
- Siemens Simatic Batch V9.1 — versions All versions < V9.1 SP2 UC05
- Siemens Simatic_pcs_7
- Siemens Simatic Pcs 7 V9.1 — versions 0
- Siemens Simatic_route_control
- Siemens Simatic Route Control V9.1 — versions All versions < V9.1 SP2 UC05
- Siemens Simatic_wincc — versions 7.4, 7.5, 8.0
- Siemens Simatic_wincc_runtime_professional — versions 19
Weakness classification (CWE)
References
- productcert@siemens.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-48364?
- CVE-2023-48364 is a medium-severity vulnerability in Siemens Openpcs 7, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2024-02-13.
- How severe is CVE-2023-48364?
- Medium severity. CVSS v3 base score is 6.5 out of 10.