CVE-2019-13945
Siemens · published 2019-12-12
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by Siemens AG via the CVE Program.
A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-1200 CPU family < V4.x (incl. SIPLUS variants) (All versions), SIMATIC S7-1200 CPU family V4.x (incl. SIPLUS variants) (All versions with Function State (FS) < 11), SIMATIC S7-200 SMART CPU CR20s (6ES7 288-1CR20-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU CR30s (6ES7 288-1CR30-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU CR40 (6ES7 288-1CR40-0AA0) (All versions <= V2.2.2 and Function State (FS) <= 8), SIMATIC S7-200 SMART CPU CR40s (6ES7 288-1CR40-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU CR60 (6ES7 288-1CR60-0AA0) (All versions <= V2.2.2 and Function State (FS) <= 10), SIMATIC S7-200 SMART CPU CR60s (6ES7 288-1CR60-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU SR20 (6ES7 288-1SR20-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 11), SIMATIC S7-200 SMART CPU SR30 (6ES7 288-1SR30-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 10), SIMATIC S7-200 SMART CPU SR40 (6ES7 288-1SR40-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 10), SIMATIC S7-200 SMART CPU SR60 (6ES7 288-1SR60-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 12), SIMATIC S7-200 SMART CPU ST20 (6ES7 288-1ST20-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 9), SIMATIC S7-200 SMART CPU ST30 (6ES7 288-1ST30-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 9), SIMATIC S7-200 SMART CPU ST40 (6ES7 288-1ST40-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 8), SIMATIC S7-200 SMART CPU ST60 (6ES7 288-1ST60-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 8), SIMATIC S7-200 SMART CPU family (All versions). There is an access mode used during manufacturing of the affected devices that allows additional diagnostic functionality. The security vulnerability could be exploited by an attacker with physical access to the UART interface during boot process.
Status at the source
- NVD status: Modified
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| Siemens AG | SIMATIC S7-1200 CPU family (incl. SIPLUS variants) | All versions: affected |
| Siemens AG | SIMATIC S7-1200 CPU family < V4.x (incl. SIPLUS variants) | All versions: affected |
| Siemens AG | SIMATIC S7-1200 CPU family V4.x (incl. SIPLUS variants) | All versions with Function State (FS) < 11: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU CR20s (6ES7 288-1CR20-0AA1) | All versions <= V2.3.0 and Function State (FS) <= 3: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU CR30s (6ES7 288-1CR30-0AA1) | All versions <= V2.3.0 and Function State (FS) <= 3: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU CR40 (6ES7 288-1CR40-0AA0) | All versions <= V2.2.2 and Function State (FS) <= 8: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU CR40s (6ES7 288-1CR40-0AA1) | All versions <= V2.3.0 and Function State (FS) <= 3: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU CR60 (6ES7 288-1CR60-0AA0) | All versions <= V2.2.2 and Function State (FS) <= 10: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU CR60s (6ES7 288-1CR60-0AA1) | All versions <= V2.3.0 and Function State (FS) <= 3: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU SR20 (6ES7 288-1SR20-0AA0) | All versions <= V2.5.0 and Function State (FS) <= 11: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU SR30 (6ES7 288-1SR30-0AA0) | All versions <= V2.5.0 and Function State (FS) <= 10: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU SR40 (6ES7 288-1SR40-0AA0) | All versions <= V2.5.0 and Function State (FS) <= 10: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU SR60 (6ES7 288-1SR60-0AA0) | All versions <= V2.5.0 and Function State (FS) <= 12: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU ST20 (6ES7 288-1ST20-0AA0) | All versions <= V2.5.0 and Function State (FS) <= 9: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU ST30 (6ES7 288-1ST30-0AA0) | All versions <= V2.5.0 and Function State (FS) <= 9: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU ST40 (6ES7 288-1ST40-0AA0) | All versions <= V2.5.0 and Function State (FS) <= 8: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU ST60 (6ES7 288-1ST60-0AA0) | All versions <= V2.5.0 and Function State (FS) <= 8: affected |
| Siemens AG | SIMATIC S7-200 SMART CPU family | All versions: affected |
Products named in NVD's CPE match criteria (16)
cpe:2.3:o:siemens:simatic_s7-1200_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:s7-200_smart_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_st20_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_st30_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_st40_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_st60_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_sr20_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_sr30_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_sr40_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_sr60_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr40_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr60_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr20s_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr30s_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr40s_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-200_smart_cpu_cr60s_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: 6.8 MEDIUM — as published by NIST (Primary)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0: 4.6 MEDIUM — as published by NIST (Primary)
AV:L/AC:L/Au:N/C:P/I:P/A:P
DeSpy does not score records. These are the sources' own values.
Weaknesses
CWE-749, NVD-CWE-Other
Sources
References the source lists
- https://cert-portal.siemens.com/productcert/pdf/ssa-686531.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-686531.pdf
Source dates: published 2019-12-12, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.
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