{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-24349: A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runt","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-24349","status":"final","version":"1","initial_release_date":"2026-06-09T08:46:52.528Z","current_release_date":"2026-06-09T12:54:20.058Z","revision_history":[{"date":"2026-06-09T08:46:52.528Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runtime V20 (All versions), SIMATIC WinCC Unified PC Runtime V21 (All versions < V21 Update 2). Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-24349 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-24349"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-24349"},{"category":"external","summary":"cert-portal.siemens.com","url":"https://cert-portal.siemens.com/productcert/html/ssa-063511.html"}]},"product_tree":{"branches":[{"category":"vendor","name":"Siemens","branches":[{"category":"product_name","name":"SIMATIC WinCC Unified PC Runtime V16","branches":[{"category":"product_version_range","name":"<*","product":{"name":"Siemens SIMATIC WinCC Unified PC Runtime V16 <*","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:siemens:simatic_wincc_unified_pc_runtime_v16:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"Siemens","branches":[{"category":"product_name","name":"SIMATIC WinCC Unified PC Runtime V17","branches":[{"category":"product_version_range","name":"<*","product":{"name":"Siemens SIMATIC WinCC Unified PC Runtime V17 <*","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:siemens:simatic_wincc_unified_pc_runtime_v17:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"Siemens","branches":[{"category":"product_name","name":"SIMATIC WinCC Unified PC Runtime V18","branches":[{"category":"product_version_range","name":"<*","product":{"name":"Siemens SIMATIC WinCC Unified PC Runtime V18 <*","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:siemens:simatic_wincc_unified_pc_runtime_v18:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"Siemens","branches":[{"category":"product_name","name":"SIMATIC WinCC Unified PC Runtime V19","branches":[{"category":"product_version_range","name":"<*","product":{"name":"Siemens SIMATIC WinCC Unified PC Runtime V19 <*","product_id":"CSAFPID-4","product_identification_helper":{"cpe":"cpe:2.3:a:siemens:simatic_wincc_unified_pc_runtime_v19:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"Siemens","branches":[{"category":"product_name","name":"SIMATIC WinCC Unified PC Runtime V20","branches":[{"category":"product_version_range","name":"<*","product":{"name":"Siemens SIMATIC WinCC Unified PC Runtime V20 <*","product_id":"CSAFPID-5","product_identification_helper":{"cpe":"cpe:2.3:a:siemens:simatic_wincc_unified_pc_runtime_v20:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"Siemens","branches":[{"category":"product_name","name":"SIMATIC WinCC Unified PC Runtime V21","branches":[{"category":"product_version_range","name":"<V21 Update 2","product":{"name":"Siemens SIMATIC WinCC Unified PC Runtime V21 <V21 Update 2","product_id":"CSAFPID-6","product_identification_helper":{"cpe":"cpe:2.3:a:siemens:simatic_wincc_unified_pc_runtime_v21:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-24349","title":"A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runt","notes":[{"category":"description","text":"A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runtime V20 (All versions), SIMATIC WinCC Unified PC Runtime V21 (All versions < V21 Update 2). Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","baseScore":8.2,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: *, V21 Update 2.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6"]}]}]}