{"id":"CVE-2021-31893","state":"PUBLISHED","title":"A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP ","description":"A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). The affected software contains a buffer overflow vulnerability while handling certain files that could allow a local attacker to trigger a denial-of-service condition or potentially lead to remote code execution.","publishedAt":"2021-07-13T11:02:56.000Z","updatedAt":"2024-08-03T23:10:30.646Z","severity":null,"assigner":"siemens","products":["Siemens SIMATIC PCS 7 V8.2 and earlier","Siemens SIMATIC PCS 7 V9.0","Siemens SIMATIC PDM","Siemens SIMATIC STEP 7 V5.X","Siemens SINAMICS STARTER (containing STEP 7 OEM version)"],"affected":[{"vendor":"Siemens","product":"SIMATIC PCS 7 V8.2 and earlier","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC PCS 7 V9.0","versions":[{"version":"All versions < V9.0 SP3","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC PDM","versions":[{"version":"All versions < V9.2","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC STEP 7 V5.X","versions":[{"version":"All versions < V5.6 SP2 HF3","status":"affected"}]},{"vendor":"Siemens","product":"SINAMICS STARTER (containing STEP 7 OEM version)","versions":[{"version":"All versions < V5.4 HF2","status":"affected"}]}],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf"],"weaknesses":["CWE-120"],"ingestedAt":"2026-10-29T19:48:30.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/31xxx/CVE-2021-31893.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-31893","state":"PUBLISHED","datePublished":"2021-07-13T11:02:56.000Z","dateUpdated":"2024-08-03T23:10:30.646Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2021-04-29T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). The affected software contains a buffer overflow vulnerability while handling certain files that could allow a local attacker to trigger a denial-of-service condition or potentially lead to remote code execution."}],"affected":[{"vendor":"Siemens","product":"SIMATIC PCS 7 V8.2 and earlier","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC PCS 7 V9.0","versions":[{"version":"All versions < V9.0 SP3","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC PDM","versions":[{"version":"All versions < V9.2","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC STEP 7 V5.X","versions":[{"version":"All versions < V5.6 SP2 HF3","status":"affected"}]},{"vendor":"Siemens","product":"SINAMICS STARTER (containing STEP 7 OEM version)","versions":[{"version":"All versions < V5.4 HF2","status":"affected"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","description":"CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","dateUpdated":"2021-07-13T11:02:56.000Z","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"productcert@siemens.com","ID":"CVE-2021-31893","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"SIMATIC PCS 7 V8.2 and earlier","version":{"version_data":[{"version_value":"All versions"}]}},{"product_name":"SIMATIC PCS 7 V9.0","version":{"version_data":[{"version_value":"All versions < V9.0 SP3"}]}},{"product_name":"SIMATIC PDM","version":{"version_data":[{"version_value":"All versions < V9.2"}]}},{"product_name":"SIMATIC STEP 7 V5.X","version":{"version_data":[{"version_value":"All versions < V5.6 SP2 HF3"}]}},{"product_name":"SINAMICS STARTER (containing STEP 7 OEM version)","version":{"version_data":[{"version_value":"All versions < V5.4 HF2"}]}}]},"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 PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). The affected software contains a buffer overflow vulnerability while handling certain files that could allow a local attacker to trigger a denial-of-service condition or potentially lead to remote code execution."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}]},"references":{"reference_data":[{"name":"https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf","refsource":"MISC","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T23:10:30.646Z"}}]}}}