{"id":"CVE-2021-31337","state":"PUBLISHED","title":"The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the ","description":"The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the device if the service is enabled. Telnet is disabled by default on the SINAMICS Medium Voltage Products (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).","publishedAt":"2021-06-28T12:24:58.000Z","updatedAt":"2024-08-03T22:55:53.698Z","severity":null,"assigner":"siemens","products":["n/a SINAMICS Medium Voltage Products"],"affected":[{"vendor":"n/a","product":"SINAMICS Medium Voltage Products","versions":[{"version":"SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions","status":"affected"}]}],"references":["https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T19:48:30.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/31xxx/CVE-2021-31337.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-31337","state":"PUBLISHED","datePublished":"2021-06-28T12:24:58.000Z","dateUpdated":"2024-08-03T22:55:53.698Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2021-04-15T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the device if the service is enabled. Telnet is disabled by default on the SINAMICS Medium Voltage Products (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions)."}],"affected":[{"vendor":"n/a","product":"SINAMICS Medium Voltage Products","versions":[{"version":"SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions","status":"affected"}]}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","description":"MISSING AUTHENTICATION FOR CRITICAL FUNCTION CWE-306","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","dateUpdated":"2021-06-28T12:24:58.000Z","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"productcert@siemens.com","ID":"CVE-2021-31337","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"SINAMICS Medium Voltage Products","version":{"version_data":[{"version_value":"SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the device if the service is enabled. Telnet is disabled by default on the SINAMICS Medium Voltage Products (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"MISSING AUTHENTICATION FOR CRITICAL FUNCTION CWE-306"}]}]},"references":{"reference_data":[{"name":"https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04","refsource":"MISC","url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T22:55:53.698Z"}}]}}}