{"id":"CVE-2023-23449","aliases":["EUVD-2023-27549","GHSA-gwww-55j7-6p52"],"status":"published","title":"Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215,...","description":"Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows a remote attacker\nto gain information about valid usernames by analyzing challenge responses from the server via the\nREST interface.","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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00785,"percentile":0.56405,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-203","CWE-204"],"published":"2023-05-15T10:54:46Z","modified":"2026-06-17T05:37:09Z","products":[{"vendor":"sick","product":"ftmg-esd15axx_firmware"},{"vendor":"sick","product":"ftmg-esd20axx_firmware"},{"vendor":"sick","product":"ftmg-esd25axx_firmware"},{"vendor":"sick","product":"ftmg-esn40sxx_firmware"},{"vendor":"sick","product":"ftmg-esn50sxx_firmware"},{"vendor":"sick","product":"ftmg-esr40sxx_firmware"},{"vendor":"sick","product":"ftmg-esr50sxx_firmware"},{"vendor":"sick ag","product":"sick ftmg-esd15axx air flow sensor"},{"vendor":"sick ag","product":"sick ftmg-esd20axx air flow sensor"},{"vendor":"sick ag","product":"sick ftmg-esd25axx air flow sensor"},{"vendor":"sick ag","product":"sick ftmg-esn40sxx air flow sensor"},{"vendor":"sick ag","product":"sick ftmg-esn50sxx air flow sensor"},{"vendor":"sick ag","product":"sick ftmg-esr40sxx air flow sensor"},{"vendor":"sick ag","product":"sick ftmg-esr50sxx air flow sensor"}],"references":[{"url":"https://sick.com/psirt","tags":["issue-tracking","x_transferred","Vendor Advisory"]},{"url":"https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.pdf","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.json","tags":["x_csaf","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23449"},{"url":"https://github.com/advisories/GHSA-gwww-55j7-6p52"}],"sources":{"cve":[{"id":"CVE-2023-23449","description":"Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows a remote attacker\nto gain information about valid usernames by analyzing challenge responses from the server via the\nREST interface.","status":"published","published":"2023-05-15T10:54:46.463Z","modified":"2026-06-01T12:21:55.635Z","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":"cna"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:35:20.812737Z"}],"euvd":[{"id":"EUVD-2023-27549","description":"Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows a remote attacker\nto gain information about valid usernames by analyzing challenge responses from the server via the\nREST interface.","status":"published","published":"2023-05-15T10:54:46Z","modified":"2026-06-01T12:21:55Z","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"}],"updated_at":"2026-11-02T18:20:59.105484Z"}],"ghsa":[{"id":"GHSA-gwww-55j7-6p52","title":"Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215,...","description":"Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows a remote attacker\nto gain information about valid usernames by analyzing challenge responses from the server via the\nREST interface.","status":"published","published":"2023-05-15T12:30:16Z","modified":"2026-06-01T15:31:36Z","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"}],"cwes":["CWE-203","CWE-204"],"updated_at":"2026-11-02T15:08:26.890955Z"}],"nvd":[{"id":"CVE-2023-23449","description":"Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows a remote attacker\nto gain information about valid usernames by analyzing challenge responses from the server via the\nREST interface.","status":"published","published":"2023-05-15T11:15:09.347Z","modified":"2026-06-17T05:37:09.713Z","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":"secondary"},{"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"}],"cwes":["CWE-204","CWE-203"],"updated_at":"2026-11-02T14:08:02.399327Z"}]}}