CVE-2021-44694
Siemens · published 2022-12-13
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by Siemens AG via the CVE Program.
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.
Status at the source
- NVD status: Modified
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SIMATIC Drive Controller CPU 1504D TF | All versions < V2.9.7: affected |
| Siemens | SIMATIC Drive Controller CPU 1507D TF | All versions < V2.9.7: affected |
| Siemens | SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) | All versions < V21.9.7: affected |
| Siemens | SIMATIC S7-1200 CPU family (incl. SIPLUS variants) | All versions < V4.6.0: affected |
| Siemens | SIMATIC S7-1500 CPU 1510SP F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1510SP-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1511-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1511-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1511C-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1511C-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1511F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1511F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1511T-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1511TF-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1512C-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1512C-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1512SP F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1512SP-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1513-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1513-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1513F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1513F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1513R-1 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1515-2 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1515-2 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1515F-2 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1515F-2 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1515R-2 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1515T-2 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1515TF-2 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1516-3 PN/DP | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1516-3 PN/DP | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1516F-3 PN/DP | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1516F-3 PN/DP | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU 1516T-3 PN/DP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1516TF-3 PN/DP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1517-3 PN/DP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1517F-3 PN/DP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1517H-3 PN | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1517T-3 PN/DP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1517TF-3 PN/DP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1518HF-4 PN | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1518T-4 PN/DP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU 1518TF-4 PN/DP | All versions < V3.0.1: affected |
| Siemens | SIMATIC S7-1500 CPU S7-1518-4 PN/DP ODK | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 CPU S7-1518F-4 PN/DP ODK | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 ET 200pro: CPU 1513PRO F-2 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 ET 200pro: CPU 1513PRO-2 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 ET 200pro: CPU 1516PRO F-2 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 ET 200pro: CPU 1516PRO-2 PN | All versions < V2.9.7: affected |
| Siemens | SIMATIC S7-1500 Software Controller V2 | All versions < V21.9.7: affected |
| Siemens | SIMATIC S7-PLCSIM Advanced | All versions < V5.0: affected |
| Siemens | SIPLUS ET 200SP CPU 1510SP F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1510SP F-1 PN RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1510SP-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1510SP-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1510SP-1 PN RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1510SP-1 PN RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1512SP F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1512SP F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1512SP-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1512SP-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1512SP-1 PN RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS ET 200SP CPU 1512SP-1 PN RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN TX RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1511-1 PN TX RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1511F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1511F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1513-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1513-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1513-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1513-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1513F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1513F-1 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1515F-2 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1515F-2 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1515F-2 PN RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1515F-2 PN T2 RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1515R-2 PN | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1515R-2 PN TX RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1516-3 PN/DP TX RAIL | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1516F-3 PN/DP | All versions < V2.9.7: affected |
| Siemens | SIPLUS S7-1500 CPU 1516F-3 PN/DP | All versions < V2.9.7: affected |
The source lists more products than DeSpy shows; see the source record.
Products named in NVD's CPE match criteria (50)
cpe:2.3:o:siemens:simatic_s7-plcsim_advanced_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_1211c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_1212c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_1212fc_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_1214_fc_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_1214c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_1214fc_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_1215_fc_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_1215c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_1215fc_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_1217c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1211c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1212c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1212fc_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1214c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1214fc_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1215c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1215fc_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1217c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:siplus_s7-1200_cp_1243-1_rail_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:siplus_s7-1200_cp_1243-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1507s_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1507s_f_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1508s_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1508s_f_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1510sp_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1510sp-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511-1_pn_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511c-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511f-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511f-1_pn_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511t-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511tf-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512c-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512sp-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512spf-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513-1_pn_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513f-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513f-1_pn_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513r-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515-2_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515-2_pn_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_151511c-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_151511f-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515f-2_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515f-2_pn_firmware:*:*:*:*:*:*:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 5.5 MEDIUM — as published by Siemens AG (Secondary)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H - CVSS 3.1: 7.5 HIGH — as published by NIST (Secondary)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: no · Technical impact: partial
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://cert-portal.siemens.com/productcert/pdf/ssa-382653.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-382653.pdf
Source dates: published 2022-12-13, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.
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