{"id":"CVE-2021-42027","aliases":["EUVD-2021-29015","GHSA-qf34-j4vq-q329"],"status":"published","title":"A vulnerability has been identified in SINUMERIK Edge (All versions \u003c V3.2). The affected...","description":"A vulnerability has been identified in SINUMERIK Edge (All versions \u003c V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow an attacker to spoof a trusted entity by interfering in the communication path between the client and the intended server.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00495,"percentile":0.42977,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2021-12-14T12:06:39Z","modified":"2026-06-17T04:09:11Z","products":[{"vendor":"siemens","product":"sinumerik edge"},{"vendor":"siemens","product":"sinumerik_edge"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-523250.pdf","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42027"},{"url":"https://github.com/advisories/GHSA-qf34-j4vq-q329"}],"sources":{"cve":[{"id":"CVE-2021-42027","description":"A vulnerability has been identified in SINUMERIK Edge (All versions \u003c V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow an attacker to spoof a trusted entity by interfering in the communication path between the client and the intended server.","status":"published","published":"2021-12-14T12:06:39Z","modified":"2024-08-04T03:22:25.641Z","cwes":["CWE-295"],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29015","description":"A vulnerability has been identified in SINUMERIK Edge (All versions \u003c V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow an attacker to spoof a trusted entity by interfering in the communication path between the client and the intended server.","status":"published","published":"2021-12-14T12:06:39Z","modified":"2024-08-04T03:22:25Z","updated_at":"2026-11-03T03:24:16.784119Z"}],"ghsa":[{"id":"GHSA-qf34-j4vq-q329","title":"A vulnerability has been identified in SINUMERIK Edge (All versions \u003c V3.2). The affected...","description":"A vulnerability has been identified in SINUMERIK Edge (All versions \u003c V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow an attacker to spoof a trusted entity by interfering in the communication path between the client and the intended server.","status":"published","published":"2021-12-15T00:01:24Z","modified":"2023-02-01T05:07:04Z","cwes":["CWE-295"],"updated_at":"2026-11-02T14:50:28.399252Z"}],"nvd":[{"id":"CVE-2021-42027","description":"A vulnerability has been identified in SINUMERIK Edge (All versions \u003c V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow an attacker to spoof a trusted entity by interfering in the communication path between the client and the intended server.","status":"published","published":"2021-12-14T12:15:10.037Z","modified":"2026-06-17T04:09:11.99Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}