{"id":"CVE-2020-28390","aliases":["EUVD-2020-20849","GHSA-mx5q-vqqv-9q7f"],"status":"published","title":"A vulnerability has been identified in Opcenter Execution Core (V8.2), Opcenter Execution Core ...","description":"A vulnerability has been identified in Opcenter Execution Core (V8.2), Opcenter Execution Core (V8.3). The application contains an information leakage vulnerability in the handling of web client sessions. A local attacker who has access to the Web Client Session Storage could disclose the passwords of currently logged-in users.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0046,"percentile":0.40129,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-522"],"published":"2021-01-12T20:18:36Z","modified":"2026-06-17T03:10:22Z","products":[{"vendor":"siemens","product":"opcenter execution core"},{"vendor":"siemens","product":"opcenter_execution_core"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-604937.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-051/","tags":["x_refsource_MISC","x_transferred","Not Applicable"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28390"},{"url":"https://github.com/advisories/GHSA-mx5q-vqqv-9q7f"}],"sources":{"cve":[{"id":"CVE-2020-28390","description":"A vulnerability has been identified in Opcenter Execution Core (V8.2), Opcenter Execution Core (V8.3). The application contains an information leakage vulnerability in the handling of web client sessions. A local attacker who has access to the Web Client Session Storage could disclose the passwords of currently logged-in users.","status":"published","published":"2021-01-12T20:18:36Z","modified":"2024-08-04T16:33:59.104Z","cwes":["CWE-522"],"updated_at":"2026-11-02T14:35:57.352161Z"}],"euvd":[{"id":"EUVD-2020-20849","description":"A vulnerability has been identified in Opcenter Execution Core (V8.2), Opcenter Execution Core (V8.3). The application contains an information leakage vulnerability in the handling of web client sessions. A local attacker who has access to the Web Client Session Storage could disclose the passwords of currently logged-in users.","status":"published","published":"2021-01-12T20:18:36Z","modified":"2024-08-04T16:33:59Z","updated_at":"2026-11-03T03:07:10.123634Z"}],"ghsa":[{"id":"GHSA-mx5q-vqqv-9q7f","title":"A vulnerability has been identified in Opcenter Execution Core (V8.2), Opcenter Execution Core ...","description":"A vulnerability has been identified in Opcenter Execution Core (V8.2), Opcenter Execution Core (V8.3). The application contains an information leakage vulnerability in the handling of web client sessions. A local attacker who has access to the Web Client Session Storage could disclose the passwords of currently logged-in users.","status":"published","published":"2022-05-24T17:38:36Z","modified":"2023-01-29T05:06:02Z","cwes":["CWE-522"],"updated_at":"2026-11-02T14:45:55.677123Z"}],"nvd":[{"id":"CVE-2020-28390","description":"A vulnerability has been identified in Opcenter Execution Core (V8.2), Opcenter Execution Core (V8.3). The application contains an information leakage vulnerability in the handling of web client sessions. A local attacker who has access to the Web Client Session Storage could disclose the passwords of currently logged-in users.","status":"published","published":"2021-01-12T21:15:18.043Z","modified":"2026-06-17T03:10:22.027Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:06:28.892872Z"}]}}