{"id":"CVE-2022-33138","aliases":["EUVD-2022-36189","GHSA-c482-89c3-ccmp"],"status":"published","title":"A vulnerability has been identified in SIMATIC MV540 H (All versions \u003c V3.3), SIMATIC MV540 S ...","description":"A vulnerability has been identified in SIMATIC MV540 H (All versions \u003c V3.3), SIMATIC MV540 S (All versions \u003c V3.3), SIMATIC MV550 H (All versions \u003c V3.3), SIMATIC MV550 S (All versions \u003c V3.3), SIMATIC MV560 U (All versions \u003c V3.3), SIMATIC MV560 X (All versions \u003c 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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01347,"percentile":0.71648,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2022-07-12T10:06:46Z","modified":"2026-06-17T04:48:29Z","products":[{"vendor":"siemens","product":"simatic mv540 h"},{"vendor":"siemens","product":"simatic mv540 s"},{"vendor":"siemens","product":"simatic mv550 h"},{"vendor":"siemens","product":"simatic mv550 s"},{"vendor":"siemens","product":"simatic mv560 u"},{"vendor":"siemens","product":"simatic mv560 x"},{"vendor":"siemens","product":"simatic_mv540_h_firmware"},{"vendor":"siemens","product":"simatic_mv540_s_firmware"},{"vendor":"siemens","product":"simatic_mv550_h_firmware"},{"vendor":"siemens","product":"simatic_mv550_s_firmware"},{"vendor":"siemens","product":"simatic_mv560_u_firmware"},{"vendor":"siemens","product":"simatic_mv560_x_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-348662.pdf","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-33138"},{"url":"https://github.com/advisories/GHSA-c482-89c3-ccmp"}],"sources":{"cve":[{"id":"CVE-2022-33138","description":"A vulnerability has been identified in SIMATIC MV540 H (All versions \u003c V3.3), SIMATIC MV540 S (All versions \u003c V3.3), SIMATIC MV550 H (All versions \u003c V3.3), SIMATIC MV550 S (All versions \u003c V3.3), SIMATIC MV560 U (All versions \u003c V3.3), SIMATIC MV560 X (All versions \u003c 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.","status":"published","published":"2022-07-12T10:06:46Z","modified":"2024-08-03T08:01:19.531Z","cwes":["CWE-306"],"updated_at":"2026-11-02T14:34:40.621895Z"}],"euvd":[{"id":"EUVD-2022-36189","description":"A vulnerability has been identified in SIMATIC MV540 H (All versions \u003c V3.3), SIMATIC MV540 S (All versions \u003c V3.3), SIMATIC MV550 H (All versions \u003c V3.3), SIMATIC MV550 S (All versions \u003c V3.3), SIMATIC MV560 U (All versions \u003c V3.3), SIMATIC MV560 X (All versions \u003c 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.","status":"published","published":"2022-07-12T10:06:46Z","modified":"2024-08-03T08:01:19Z","updated_at":"2026-11-03T03:25:31.011886Z"}],"ghsa":[{"id":"GHSA-c482-89c3-ccmp","title":"A vulnerability has been identified in SIMATIC MV540 H (All versions \u003c V3.3), SIMATIC MV540 S ...","description":"A vulnerability has been identified in SIMATIC MV540 H (All versions \u003c V3.3), SIMATIC MV540 S (All versions \u003c V3.3), SIMATIC MV550 H (All versions \u003c V3.3), SIMATIC MV550 S (All versions \u003c V3.3), SIMATIC MV560 U (All versions \u003c V3.3), SIMATIC MV560 X (All versions \u003c 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.","status":"published","published":"2022-07-13T00:01:56Z","modified":"2023-01-27T05:05:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:42:43.440689Z"}],"nvd":[{"id":"CVE-2022-33138","description":"A vulnerability has been identified in SIMATIC MV540 H (All versions \u003c V3.3), SIMATIC MV540 S (All versions \u003c V3.3), SIMATIC MV550 H (All versions \u003c V3.3), SIMATIC MV550 S (All versions \u003c V3.3), SIMATIC MV560 U (All versions \u003c V3.3), SIMATIC MV560 X (All versions \u003c 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.","status":"published","published":"2022-07-12T10:15:10.757Z","modified":"2026-06-17T04:48:29.387Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:07:23.322724Z"}]}}