NULL pointer dereference in Siemens Openpcs 7
CVE-2023-48363
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 unorganized RPC messages. An attacker could use this vulnerability to cause a denial of service condition in the RPC server.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (18.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
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
- cert-portal.siemens.com/productcert/html/ssa-753746.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-48363?
- CVE-2023-48363 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-2023-48363?
- Medium severity. CVSS v3 base score is 6.5 out of 10.