CVE-2020-15796
Siemens · published 2020-12-14
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 ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.
Status at the source
- NVD status: Modified
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) | V20.8: affected |
| Siemens | SIMATIC S7-1500 Software Controller | V20.8: affected |
Products named in NVD's CPE match criteria (2)
cpe:2.3:o:siemens:simatic_et_200sp_open_controller_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_s7-1500_software_controller_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: 7.5 HIGH — as published by NIST (Primary)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0: 5 MEDIUM — as published by NIST (Primary)
AV:N/AC:L/Au:N/C:N/I:N/A:P
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-700697.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-700697.pdf
Source dates: published 2020-12-14, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.
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