{"id":"CVE-2021-20376","aliases":["EUVD-2021-7794","GHSA-6ww2-4r5v-mm62"],"status":"published","title":"IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated attacker to...","description":"IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated attacker to enumerate usernames due to there being an observable discrepancy in returned messages. IBM X-Force ID: 195568.","severity":{"version":"3.0","score":4.3,"vector":"CVSS:3.0/I:N/AC:L/PR:L/AV:N/UI:N/A:N/C:L/S:U/RL:O/E:U/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00727,"percentile":0.54609,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-203"],"published":"2021-10-07T18:05:46Z","modified":"2026-06-17T03:33:46Z","products":[{"vendor":"ibm","product":"sterling file gateway"},{"vendor":"ibm","product":"sterling_b2b_integrator"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6496789","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/195568","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20376"},{"url":"https://github.com/advisories/GHSA-6ww2-4r5v-mm62"}],"sources":{"cve":[{"id":"CVE-2021-20376","description":"IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated attacker to enumerate usernames due to there being an observable discrepancy in returned messages. IBM X-Force ID: 195568.","status":"published","published":"2021-10-07T18:05:46.999Z","modified":"2024-09-17T03:38:21.912Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/I:N/AC:L/PR:L/AV:N/UI:N/A:N/C:L/S:U/RL:O/E:U/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7794","description":"IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated attacker to enumerate usernames due to there being an observable discrepancy in returned messages. IBM X-Force ID: 195568.","status":"published","published":"2021-10-07T18:05:46Z","modified":"2024-09-17T03:38:21Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/I:N/AC:L/PR:L/AV:N/UI:N/A:N/C:L/S:U/RL:O/E:U/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:28:29.877686Z"}],"ghsa":[{"id":"GHSA-6ww2-4r5v-mm62","title":"IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated attacker to...","description":"IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated attacker to enumerate usernames due to there being an observable discrepancy in returned messages. IBM X-Force ID: 195568.","status":"published","published":"2022-05-24T19:16:53Z","modified":"2023-01-30T05:02:27Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-203"],"updated_at":"2026-11-02T14:46:38.51672Z"}],"nvd":[{"id":"CVE-2021-20376","description":"IBM Sterling File Gateway 2.2.0.0 through 6.1.1.0 could allow an authenticated attacker to enumerate usernames due to there being an observable discrepancy in returned messages. IBM X-Force ID: 195568.","status":"published","published":"2021-10-07T18:15:07.93Z","modified":"2026-06-17T03:33:46.053Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}