ICSA-22-349-03: Siemens Multiple Denial of Service Vulnerabilities in Industrial Products
CISA advisory · released 2022-12-13
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 7, 2025-05-06 (final)
CISA's summary
Summary: Affected SIMATIC firmware contains multiple vulnerabilities that could allow an unauthenticated attacker to perform a denial of service attack under certain conditions. Siemens has released updates for the affected products and recommends to update to the latest versions.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SIMATIC Drive Controller CPU 1504D TF (6ES7615-4DF10-0AB0) | <V2.9.7 |
| Siemens | SIMATIC Drive Controller CPU 1507D TF (6ES7615-7DF10-0AB0) | <V2.9.7 |
| Siemens | SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) | <V21.9.7 |
| Siemens | SIMATIC S7-1200 CPU family (incl. SIPLUS variants) | <V4.6.0 |
| Siemens | SIMATIC S7-1500 CPU 1510SP F-1 PN (6ES7510-1SJ01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1510SP-1 PN (6ES7510-1DJ01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK02-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511C-1 PN (6ES7511-1CK00-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511C-1 PN (6ES7511-1CK01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FK01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FK02-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511T-1 PN (6ES7511-1TK01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1511TF-1 PN (6ES7511-1UK01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1512C-1 PN (6ES7512-1CK00-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1512C-1 PN (6ES7512-1CK01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1512SP F-1 PN (6ES7512-1SK01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1512SP-1 PN (6ES7512-1DK01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AL01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AL02-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FL01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FL02-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1513R-1 PN (6ES7513-1RL00-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AM01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AM02-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FM01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FM02-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1515R-2 PN (6ES7515-2RM00-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1515T-2 PN (6ES7515-2TM01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1515TF-2 PN (6ES7515-2UM01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AN01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AN02-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FN01-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FN02-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU 1516T-3 PN/DP (6ES7516-3TN00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1516TF-3 PN/DP (6ES7516-3UN00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1517-3 PN/DP (6ES7517-3AP00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1517F-3 PN/DP (6ES7517-3FP00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1517H-3 PN (6ES7517-3HP00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1517T-3 PN/DP (6ES7517-3TP00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1517TF-3 PN/DP (6ES7517-3UP00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP (6ES7518-4AP00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP (6ES7518-4FP00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1518HF-4 PN (6ES7518-4JP00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1518T-4 PN/DP (6ES7518-4TP00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU 1518TF-4 PN/DP (6ES7518-4UP00-0AB0) | <V3.0.1 |
| Siemens | SIMATIC S7-1500 CPU S7-1518-4 PN/DP ODK (6ES7518-4AP00-3AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 CPU S7-1518F-4 PN/DP ODK (6ES7518-4FP00-3AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 ET 200pro: CPU 1513PRO F-2 PN (6ES7513-2GL00-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 ET 200pro: CPU 1513PRO-2 PN (6ES7513-2PL00-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 ET 200pro: CPU 1516PRO F-2 PN (6ES7516-2GN00-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 ET 200pro: CPU 1516PRO-2 PN (6ES7516-2PN00-0AB0) | <V2.9.7 |
| Siemens | SIMATIC S7-1500 Software Controller V2 | <V21.9.7 |
| Siemens | SIMATIC S7-PLCSIM Advanced | <V5.0 |
| Siemens | SIPLUS ET 200SP CPU 1510SP F-1 PN (6AG1510-1SJ01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1510SP F-1 PN RAIL (6AG2510-1SJ01-1AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1510SP-1 PN (6AG1510-1DJ01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1510SP-1 PN (6AG1510-1DJ01-7AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1510SP-1 PN RAIL (6AG2510-1DJ01-4AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1510SP-1 PN RAIL (6AG2510-1DJ01-1AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1512SP F-1 PN (6AG1512-1SK01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1512SP F-1 PN (6AG1512-1SK01-7AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL (6AG2512-1SK01-1AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL (6AG2512-1SK01-4AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1512SP-1 PN (6AG1512-1DK01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1512SP-1 PN (6AG1512-1DK01-7AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1512SP-1 PN RAIL (6AG2512-1DK01-4AB0) | <V2.9.7 |
| Siemens | SIPLUS ET 200SP CPU 1512SP-1 PN RAIL (6AG2512-1DK01-1AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK02-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK01-7AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK02-7AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL (6AG2511-1AK01-1AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL (6AG2511-1AK02-1AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN TX RAIL (6AG2511-1AK01-4AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN TX RAIL (6AG2511-1AK02-4AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1511F-1 PN (6AG1511-1FK01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1511F-1 PN (6AG1511-1FK02-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL01-7AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL02-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL02-7AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1513F-1 PN (6AG1513-1FL01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1513F-1 PN (6AG1513-1FL02-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1515F-2 PN (6AG1515-2FM01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1515F-2 PN (6AG1515-2FM02-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1515F-2 PN RAIL (6AG2515-2FM02-4AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1515F-2 PN T2 RAIL (6AG2515-2FM01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1515R-2 PN (6AG1515-2RM00-7AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1515R-2 PN TX RAIL (6AG2515-2RM00-4AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN01-7AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN02-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN02-7AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP RAIL (6AG2516-3AN02-4AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP TX RAIL (6AG2516-3AN01-4AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1516F-3 PN/DP (6AG1516-3FN02-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1516F-3 PN/DP (6AG1516-3FN01-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL (6AG2516-3FN02-2AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL (6AG2516-3FN02-4AB0) | <V2.9.7 |
| Siemens | SIPLUS S7-1500 CPU 1517H-3 PN (6AG1517-3HP00-4AB0) | <V3.0.1 |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP (6AG1518-4AP00-4AB0) | <V3.0.1 |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) | <V3.0.1 |
| Siemens | SIPLUS S7-1500 CPU 1518F-4 PN/DP (6AG1518-4FP00-4AB0) | <V3.0.1 |
| Siemens | SIPLUS S7-1500 CPU 1518HF-4 PN (6AG1518-4JP00-4AB0) | <V3.0.1 |
| Siemens | SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) | <V2.3.6 |
| Siemens | TIM 1531 IRC (6GK7543-1MX00-0XE0) | <V2.3.6 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2021-40365 — CVE-2021-40365 · CWE-20
Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
- CVE-2021-44693 — CVE-2021-44693 · CWE-1284
Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
- CVE-2021-44694 — CVE-2021-44694 · CWE-1287
Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
- CVE-2021-44695 — CVE-2021-44695 · CWE-1286
Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reporting these vulnerabilities to CISA.
The advisory's legal notice
Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter "License Terms"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter "Terms of Use"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
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