{"cve":"CVE-2020-15798","nvd":{"published":"2021-02-09T17:15:13.437","modified":"2026-06-17T02:57:12.663","status":"Modified","description":"A vulnerability has been identified in SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions < V16 Update 3a), SIMATIC HMI KTP Mobile Panels (All versions < V16 Update 3a), SINAMICS GH150 (All versions), SINAMICS GL150 (with option X30) (All versions), SINAMICS GM150 (with option X30) (All versions), SINAMICS SH150 (All versions), SINAMICS SL150 (All versions), SINAMICS SM120 (All versions), SINAMICS SM150 (All versions), SINAMICS SM150i (All versions). Affected devices with enabled telnet service do not require authentication for this service. This could allow a remote attacker to gain full access to the device. (ZDI-CAN-12046)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-306"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-520004.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-752103.pdf","https://us-cert.cisa.gov/ics/advisories/icsa-21-033-02","https://cert-portal.siemens.com/productcert/pdf/ssa-520004.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-752103.pdf"],"products":["siemens:simatic_hmi_comfort_panels_firmware","siemens:simatic_hmi_ktp_mobile_panels_firmware","siemens:sinamics_gh150_firmware","siemens:sinamics_gl150_firmware","siemens:sinamics_gm150_firmware","siemens:sinamics_sh150_firmware","siemens:sinamics_sl150_firmware","siemens:sinamics_sm120_firmware","siemens:sinamics_sm150_firmware","siemens:sinamics_sm150i_firmware"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2020-15798","score":0.05199,"percentile":0.9248,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}