{"id":"CVE-2026-18668","aliases":["EUVD-2026-119703","GHSA-rw78-6hvf-24j5"],"status":"published","title":"Protection Mechanism Failure vulnerability affects IBM Sterling File Gateway","description":"IBM Sterling File Gateway 6.2.1.0 through 6.2.1.2_1 and  6.2.2.0 - 6.2.2.1_1 could allow a remote attacker to perform protocol downgrade attacks due to a security misconfiguration.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-13","score":0.00316,"percentile":0.24901,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-693"],"published":"2026-11-08T18:04:43Z","modified":"2026-11-08T18:30:33Z","products":[{"vendor":"ibm","product":"sterling file gateway"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7294084","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18668"},{"url":"https://github.com/advisories/GHSA-rw78-6hvf-24j5"}],"sources":{"cve":[{"id":"CVE-2026-18668","title":"Protection Mechanism Failure vulnerability affects IBM Sterling File Gateway","description":"IBM Sterling File Gateway 6.2.1.0 through 6.2.1.2_1 and  6.2.2.0 - 6.2.2.1_1 could allow a remote attacker to perform protocol downgrade attacks due to a security misconfiguration.","status":"published","published":"2026-11-08T18:04:43.747Z","modified":"2026-11-09T14:11:38.408Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-693"],"updated_at":"2026-11-08T19:44:18.985487Z"}],"euvd":[{"id":"EUVD-2026-119703","description":"IBM Sterling File Gateway 6.2.1.0 through 6.2.1.2_1 and  6.2.2.0 - 6.2.2.1_1 could allow a remote attacker to perform protocol downgrade attacks due to a security misconfiguration.","status":"published","published":"2026-11-08T18:04:43Z","modified":"2026-11-09T14:11:38Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-08T21:14:08.25264Z"}],"ghsa":[{"id":"GHSA-rw78-6hvf-24j5","title":"IBM Sterling File Gateway 6.2.1.0 through 6.2.1.2_1 and  6.2.2.0 - 6.2.2.1_1 could allow a remote...","description":"IBM Sterling File Gateway 6.2.1.0 through 6.2.1.2_1 and  6.2.2.0 - 6.2.2.1_1 could allow a remote attacker to perform protocol downgrade attacks due to a security misconfiguration.","status":"published","published":"2026-11-08T18:30:27Z","modified":"2026-11-08T18:30:33Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-693"],"updated_at":"2026-11-08T18:44:20.359761Z"}],"nvd":[{"id":"CVE-2026-18668","description":"IBM Sterling File Gateway 6.2.1.0 through 6.2.1.2_1 and  6.2.2.0 - 6.2.2.1_1 could allow a remote attacker to perform protocol downgrade attacks due to a security misconfiguration.","status":"published","published":"2026-11-08T18:17:04.483Z","modified":"2026-11-09T15:17:20.893Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-693"],"updated_at":"2026-11-09T18:15:14.951948Z"}]}}