Vulnerability in Siemens Simatic Et 200sp Open Controller
CVE-2020-15796
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Siemens Simatic Et 200sp Open Controller
- Siemens Simatic Et 200sp Open Controller Firmware
- Siemens Simatic Et 200sp Open Controller (Incl. Siplus Variants) — versions V20.8
- Siemens Simatic S7-1500 Software Controller — versions V20.8
- Siemens Simatic S7-1500 Software Controller
- Siemens Simatic S7-1500 Software Controller Firmware
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-700697.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-15796?
- CVE-2020-15796 is a high-severity vulnerability in Siemens Simatic Et 200sp Open Controller, classified under CWE-248. CVSS score: 7.5/10. Published 2020-12-14.
- How severe is CVE-2020-15796?
- High severity. CVSS v3 base score is 7.5 out of 10.