{"id":"CVE-2021-42029","state":"PUBLISHED","title":"A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) V15 (All versions), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 5), SIMATIC STEP 7 (TIA Portal) V1","description":"A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) V15 (All versions), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 5), SIMATIC STEP 7 (TIA Portal) V17 (All versions < V17 Update 2). An attacker could achieve privilege escalation on the web server of certain devices due to improper access control vulnerability in the engineering system software. The attacker needs to have direct access to the impacted web server.","publishedAt":"2022-04-12T09:07:30.000Z","updatedAt":"2024-08-04T03:22:25.804Z","severity":null,"assigner":"siemens","products":["Siemens SIMATIC STEP 7 (TIA Portal) V15","Siemens SIMATIC STEP 7 (TIA Portal) V16","Siemens SIMATIC STEP 7 (TIA Portal) V17"],"affected":[{"vendor":"Siemens","product":"SIMATIC STEP 7 (TIA Portal) V15","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC STEP 7 (TIA Portal) V16","versions":[{"version":"All versions < V16 Update 5","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC STEP 7 (TIA Portal) V17","versions":[{"version":"All versions < V17 Update 2","status":"affected"}]}],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-350757.pdf"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T19:49:04.473Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/42xxx/CVE-2021-42029.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-42029","state":"PUBLISHED","datePublished":"2022-04-12T09:07:30.000Z","dateUpdated":"2024-08-04T03:22:25.804Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2021-10-06T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) V15 (All versions), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 5), SIMATIC STEP 7 (TIA Portal) V17 (All versions < V17 Update 2). An attacker could achieve privilege escalation on the web server of certain devices due to improper access control vulnerability in the engineering system software. The attacker needs to have direct access to the impacted web server."}],"affected":[{"vendor":"Siemens","product":"SIMATIC STEP 7 (TIA Portal) V15","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC STEP 7 (TIA Portal) V16","versions":[{"version":"All versions < V16 Update 5","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC STEP 7 (TIA Portal) V17","versions":[{"version":"All versions < V17 Update 2","status":"affected"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-350757.pdf","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","dateUpdated":"2022-04-12T09:07:30.000Z","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"productcert@siemens.com","ID":"CVE-2021-42029","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"SIMATIC STEP 7 (TIA Portal) V15","version":{"version_data":[{"version_value":"All versions"}]}},{"product_name":"SIMATIC STEP 7 (TIA Portal) V16","version":{"version_data":[{"version_value":"All versions < V16 Update 5"}]}},{"product_name":"SIMATIC STEP 7 (TIA Portal) V17","version":{"version_data":[{"version_value":"All versions < V17 Update 2"}]}}]},"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 STEP 7 (TIA Portal) V15 (All versions), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 5), SIMATIC STEP 7 (TIA Portal) V17 (All versions < V17 Update 2). An attacker could achieve privilege escalation on the web server of certain devices due to improper access control vulnerability in the engineering system software. The attacker needs to have direct access to the impacted web server."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-284: Improper Access Control"}]}]},"references":{"reference_data":[{"name":"https://cert-portal.siemens.com/productcert/pdf/ssa-350757.pdf","refsource":"MISC","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-350757.pdf"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-350757.pdf","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T03:22:25.804Z"}}]}}}