High ICSA-23-103-10 3 CVEs

Siemens Industrial Products

Published Apr 11, 2023 · Updated May 6, 2025 · Revision 5

Vendor: Siemens Product: SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) Product: SIMATIC CP 1243-1 (6GK7243-1BX30-0XE0) Product: SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) Product: SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) Product: SIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0) Product: SIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0) Product: SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) Product: SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) Product: SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) Product: SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) Product: SIMATIC CP 443-1 (6GK7443-1EX30-0XE0) Product: SIMATIC CP 443-1 (6GK7443-1EX30-0XE1) Product: SIMATIC CP 443-1 Advanced (6GK7443-1GX30-0XE0) Product: SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) Product: SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) Product: SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) Product: SIPLUS NET CP 1242-7 V2 (6AG1242-7KX31-7XE0) Product: SIPLUS NET CP 443-1 (6AG1443-1EX30-4XE0) Product: SIPLUS NET CP 443-1 Advanced (6AG1443-1GX30-4XE0) Product: SIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0) Product: SIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0) Product: SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) Product: TIM 1531 IRC (6GK7543-1MX00-0XE0)

Summary

Multiple vulnerabilities in the affected products could allow an unauthorized attacker with network access to the webserver of an affected products to perform a denial of service attack.

Siemens has released new versions for the affected products and recommends to update to the latest versions.

Vulnerabilities 3

High 7.5

CVE-2022-43716

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) (All versions < V3.4.29), SIMATIC CP 1…

Siemens TIM 1531 IRC SIMATIC CP 1243-8 IRC SIPLUS TIM 1531 IRC ICS / OT

Apr 11, 2023
High 7.5

CVE-2022-43767

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) (All versions < V3.4.29), SIMATIC CP 1…

Siemens TIM 1531 IRC SIMATIC CP 1243-8 IRC SIPLUS TIM 1531 IRC ICS / OT

Apr 11, 2023
High 7.5

CVE-2022-43768

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) (All versions < V3.4.29), SIMATIC CP 1…

Siemens TIM 1531 IRC SIMATIC CP 1243-8 IRC SIPLUS TIM 1531 IRC ICS / OT

Apr 11, 2023

Revision history

2025-05-06 #5
Revision - Fixing typos
2024-09-10 #4
Added fixes for SIMATIC S7-1200 CP 1200 family (incl. SIPLUS variants)
2024-06-11 #3
Added fixes for SIMATIC CP 15xxSP-1 devices
2023-05-09 #2
Removed SIMATIC IPC DiagBase and SIMATIC IPC DiagMonitor as they are not affected
2023-04-11 #1
Publication Date

References

SSA-566905: Multiple Denial of Service Vulnerabilities in the Webserver of Industrial Products - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-566905.html
ICS Advisory ICSA-23-103-10 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-23-103-10
Recommended Practices
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
Recommended Practices
https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
Recommended Practices
https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B