{"cve":{"cve_id":"CVE-2022-33138","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01145,"epss_percentile":0.62612,"epss_as_of":"2026-06-23","description":"A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3), SIMATIC MV540 S (All versions < V3.3), SIMATIC MV550 H (All versions < V3.3), SIMATIC MV550 S (All versions < V3.3), SIMATIC MV560 U (All versions < V3.3), SIMATIC MV560 X (All versions < V3.3). Affected devices do not perform authentication for several web API endpoints. This could allow an unauthenticated remote attacker to read and download data from the device.","published_at":"2022-07-12T10:06:46Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-306"],"nvd_references":["https://cert-portal.siemens.com/productcert/pdf/ssa-348662.pdf"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:17:46.297755Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-mv540-h","product_name":"SIMATIC MV540 H","version_start":"All versions < V3.3","version_start_inclusive":true,"version_end":"All versions < V3.3","version_end_inclusive":true,"cpe23_uri":"cve5:siemens:simatic-mv540-h:All versions < V3.3:All versions < V3.3"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-mv540-s","product_name":"SIMATIC MV540 S","version_start":"All versions < V3.3","version_start_inclusive":true,"version_end":"All versions < V3.3","version_end_inclusive":true,"cpe23_uri":"cve5:siemens:simatic-mv540-s:All versions < V3.3:All versions < V3.3"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-mv550-h","product_name":"SIMATIC MV550 H","version_start":"All versions < V3.3","version_start_inclusive":true,"version_end":"All versions < V3.3","version_end_inclusive":true,"cpe23_uri":"cve5:siemens:simatic-mv550-h:All versions < V3.3:All versions < V3.3"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-mv550-s","product_name":"SIMATIC MV550 S","version_start":"All versions < V3.3","version_start_inclusive":true,"version_end":"All versions < V3.3","version_end_inclusive":true,"cpe23_uri":"cve5:siemens:simatic-mv550-s:All versions < V3.3:All versions < V3.3"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-mv560-u","product_name":"SIMATIC MV560 U","version_start":"All versions < V3.3","version_start_inclusive":true,"version_end":"All versions < V3.3","version_end_inclusive":true,"cpe23_uri":"cve5:siemens:simatic-mv560-u:All versions < V3.3:All versions < V3.3"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"simatic-mv560-x","product_name":"SIMATIC MV560 X","version_start":"All versions < V3.3","version_start_inclusive":true,"version_end":"All versions < V3.3","version_end_inclusive":true,"cpe23_uri":"cve5:siemens:simatic-mv560-x:All versions < V3.3:All versions < V3.3"}],"exploit_refs":[],"news":[],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-348662.pdf","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2022-07-12T10:06:46Z","label":"CVE published","source":null}]}