{"id":"CVE-2021-27463","aliases":["EUVD-2021-14217","GHSA-c9w5-6v8f-m5c7"],"status":"published","title":"A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer....","description":"A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected applications utilize persistent cookies where the session cookie attribute is not properly invalidated, allowing an attacker to intercept the cookies and gain access to sensitive information.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.009,"percentile":0.59954,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-539"],"published":"2021-05-20T11:05:42Z","modified":"2026-06-17T03:44:54Z","products":[{"vendor":"emerson","product":"x-stream_enhanced_xefd_firmware"},{"vendor":"emerson","product":"x-stream_enhanced_xegk_firmware"},{"vendor":"emerson","product":"x-stream_enhanced_xegp_firmware"},{"vendor":"emerson","product":"x-stream_enhanced_xexf_firmware"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27463"},{"url":"https://github.com/advisories/GHSA-c9w5-6v8f-m5c7"}],"sources":{"cve":[{"id":"CVE-2021-27463","description":"A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected applications utilize persistent cookies where the session cookie attribute is not properly invalidated, allowing an attacker to intercept the cookies and gain access to sensitive information.","status":"published","published":"2021-05-20T11:05:42Z","modified":"2024-08-03T20:48:17.198Z","cwes":["CWE-539"],"updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-14217","description":"A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected applications utilize persistent cookies where the session cookie attribute is not properly invalidated, allowing an attacker to intercept the cookies and gain access to sensitive information.","status":"published","published":"2021-05-20T11:05:42Z","modified":"2024-08-03T20:48:17Z","updated_at":"2026-11-03T03:24:49.368497Z"}],"ghsa":[{"id":"GHSA-c9w5-6v8f-m5c7","title":"A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer....","description":"A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected applications utilize persistent cookies where the session cookie attribute is not properly invalidated, allowing an attacker to intercept the cookies and gain access to sensitive information.","status":"published","published":"2022-05-24T19:02:54Z","modified":"2023-01-29T05:06:44Z","cwes":["CWE-539"],"updated_at":"2026-11-02T14:46:05.419939Z"}],"nvd":[{"id":"CVE-2021-27463","description":"A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected applications utilize persistent cookies where the session cookie attribute is not properly invalidated, allowing an attacker to intercept the cookies and gain access to sensitive information.","status":"published","published":"2021-05-20T12:15:08.197Z","modified":"2026-06-17T03:44:54.75Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","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-539"],"updated_at":"2026-11-02T14:06:53.987491Z"}]}}