{"id":"CVE-2020-15786","state":"PUBLISHED","title":"A vulnerability has been identified in SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions < V16), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All","description":"A vulnerability has been identified in SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions < V16), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions <= V16), SIMATIC HMI Mobile Panels (All versions <= V16), SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently block excessive authentication attempts. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.","publishedAt":"2020-09-09T18:11:39.000Z","updatedAt":"2026-06-02T19:01:42.007Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"siemens","products":["Siemens SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants)","Siemens SIMATIC HMI Comfort Panels (incl. SIPLUS variants)","Siemens SIMATIC HMI Mobile Panels","Siemens SIMATIC HMI Unified Comfort Panels"],"affected":[{"vendor":"Siemens","product":"SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants)","versions":[{"version":"All versions < V16","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC HMI Comfort Panels (incl. SIPLUS variants)","versions":[{"version":"All versions <= V16","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC HMI Mobile Panels","versions":[{"version":"All versions <= V16","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC HMI Unified Comfort Panels","versions":[{"version":"All versions <= V16","status":"affected"}]}],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdf"],"weaknesses":["CWE-307"],"ingestedAt":"2026-10-29T19:46:36.523Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/15xxx/CVE-2020-15786.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2020-15786","state":"PUBLISHED","datePublished":"2020-09-09T18:11:39.000Z","dateUpdated":"2026-06-02T19:01:42.007Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2020-07-15T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions < V16), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions <= V16), SIMATIC HMI Mobile Panels (All versions <= V16), SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently block excessive authentication attempts. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack."}],"affected":[{"vendor":"Siemens","product":"SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants)","versions":[{"version":"All versions < V16","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC HMI Comfort Panels (incl. SIPLUS variants)","versions":[{"version":"All versions <= V16","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC HMI Mobile Panels","versions":[{"version":"All versions <= V16","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC HMI Unified Comfort Panels","versions":[{"version":"All versions <= V16","status":"affected"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdf","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-307","description":"CWE-307: Improper Restriction of Excessive Authentication Attempts","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","dateUpdated":"2021-06-08T19:47:15.000Z","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"productcert@siemens.com","ID":"CVE-2020-15786","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants)","version":{"version_data":[{"version_value":"All versions < V16"}]}},{"product_name":"SIMATIC HMI Comfort Panels (incl. SIPLUS variants)","version":{"version_data":[{"version_value":"All versions <= V16"}]}},{"product_name":"SIMATIC HMI Mobile Panels","version":{"version_data":[{"version_value":"All versions <= V16"}]}},{"product_name":"SIMATIC HMI Unified Comfort Panels","version":{"version_data":[{"version_value":"All versions <= V16"}]}}]},"vendor_name":"Siemens"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A vulnerability has been identified in SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions < V16), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions <= V16), SIMATIC HMI Mobile Panels (All versions <= V16), SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently block excessive authentication attempts. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-307: Improper Restriction of Excessive Authentication Attempts"}]}]},"references":{"reference_data":[{"name":"https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdf","refsource":"MISC","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdf"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdf","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T13:22:30.857Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-02T19:01:28.540541Z","id":"CVE-2020-15786","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-02T19:01:42.007Z"}}]}}}