CVE-2023-48364
mediumpriority · track · 26EPSS 0.003 · 18 %ileDEEURUUSEPSS · scored 2026-10-22
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedOpenPCS 7 V9.1siemens_psirt
See remediation for SIMATIC PCS 7 V9.1
- FixedSIMATIC BATCH V9.1siemens_psirt
See remediation for SIMATIC PCS 7 V9.1
- FixedSIMATIC PCS 7 V9.1siemens_psirt
Update to V9.1 SP2 UC05 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812242/ - FixedSIMATIC Route Control V9.1siemens_psirt
See remediation for SIMATIC PCS 7 V9.1
- FixedSIMATIC WinCC Runtime Professional V18siemens_psirt
Update to V18 Update 4 or later version
- FixedSIMATIC WinCC Runtime Professional V19siemens_psirt
Update to V19 Update 2 or later version
- FixedSIMATIC WinCC V7.5siemens_psirt
Update to V7.5 SP2 Update 15 or later version
https://support.industry.siemens.com/cs/ww/en/view/109793460/ - FixedSIMATIC WinCC V8.0siemens_psirt
Update to V8.0 Update 4 or later version
- FixedOpenPCS 7 V9.1cisa_csaf_ot
See remediation for SIMATIC PCS 7 V9.1
- FixedSIMATIC BATCH V9.1cisa_csaf_ot
See remediation for SIMATIC PCS 7 V9.1
- FixedSIMATIC PCS 7 V9.1cisa_csaf_ot
Update to V9.1 SP2 UC05 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812242/ - FixedSIMATIC Route Control V9.1cisa_csaf_ot
See remediation for SIMATIC PCS 7 V9.1
- FixedSIMATIC WinCC Runtime Professional V18cisa_csaf_ot
Update to V18 Update 4 or later version
- FixedSIMATIC WinCC Runtime Professional V19cisa_csaf_ot
Update to V19 Update 2 or later version
- FixedSIMATIC WinCC V7.5cisa_csaf_ot
Update to V7.5 SP2 Update 15 or later version
https://support.industry.siemens.com/cs/ww/en/view/109793460/ - FixedSIMATIC WinCC V8.0cisa_csaf_ot
Update to V8.0 Update 4 or later version
- WorkaroundOpenPCS 7 V9.1siemens_psirt
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC BATCH V9.1siemens_psirt
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC PCS 7 V9.1siemens_psirt
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC Route Control V9.1siemens_psirt
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC WinCC Runtime Professional V18siemens_psirt
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC WinCC Runtime Professional V19siemens_psirt
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC WinCC V7.4siemens_psirt
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC WinCC V7.5siemens_psirt
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC WinCC V8.0siemens_psirt
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundOpenPCS 7 V9.1cisa_csaf_ot
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC BATCH V9.1cisa_csaf_ot
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC PCS 7 V9.1cisa_csaf_ot
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC Route Control V9.1cisa_csaf_ot
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC WinCC Runtime Professional V18cisa_csaf_ot
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC WinCC Runtime Professional V19cisa_csaf_ot
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC WinCC V7.4cisa_csaf_ot
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC WinCC V7.5cisa_csaf_ot
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- WorkaroundSIMATIC WinCC V8.0cisa_csaf_ot
Ensure that SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC PCS 7 stations communicate via encrypted channels (i.e. activate feature “Encrypted Communication” in SIMATIC WinCC and SIMATIC PCS 7). Enabling “Encrypted Communication” completely mitigates the vulnerability
- No fix plannedSIMATIC WinCC V7.4siemens_psirt
Currently no fix is planned
- No fix plannedSIMATIC WinCC V7.4cisa_csaf_ot
Currently no fix is planned
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (57)
Products and version ranges known to be affected.
- Siemens SIMATIC WinCC Runtime Professional V18all versionscert_bundDEcpe:/a:siemens:simatic_wincc:runtime_professional_v18
- Siemens SIMATIC WinCC Runtime Professional V19all versionscert_bundDEcpe:/a:siemens:simatic_wincc:runtime_professional_v19
advisories (3)
Vendor and ecosystem advisories describing this.
- SSA-753746SSA-753746: Denial of Service Vulnerabilities in SIMATIC WinCC Affecting Other SIMATIC Software Products2024-02-13csaf · siemens_psirtDE
Two null point dereference vulnerabilities affect multiple SIMATIC software products. These could allow an attacker to cause a persistent denial of service condition in the RPC Server of these products. Siemens has released new versions for the affected products and recommends to update to the latest versions.
- WID-SEC-W-2024-0356Siemens SIMATIC WinCC: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2024-02-12csaf · cert_bundDE
Ein anonymer Angreifer im angrenzenden Netzbereich kann mehrere Schwachstellen in Siemens SIMATIC WinCC ausnutzen, um einen Denial of Service Angriff durchzuführen.
- ICSA-24-046-12Siemens SIMATIC WinCC, OpenPCS2024-02-13icsa · cisa_csaf_otUS
Two null point dereference vulnerabilities affect multiple SIMATIC software products. These could allow an attacker to cause a persistent denial of service condition in the RPC Server of these products. Siemens has released new versions for the affected products and recommends to update to the latest versions.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
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