{"id":"CVE-2021-38121","aliases":["EUVD-2021-24594","GHSA-x9wr-745j-rm5j"],"status":"published","title":"Weak communication protocol identified in Advance Authentication client application","description":"Insufficient or weak TLS protocol version identified in Advance authentication client server communication when specific service is accessed between devices.  This issue affects NetIQ Advance Authentication versions before 6.3.5.1","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00183,"percentile":0.07888,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-326"],"published":"2024-08-28T06:28:43Z","modified":"2026-06-17T04:01:31Z","products":[{"vendor":"microfocus","product":"netiq_advanced_authentication"},{"vendor":"opentext","product":"netiq advance authentication"}],"references":[{"url":"https://www.netiq.com/documentation/advanced-authentication-63/advanced-authentication-releasenotes-6351/data/advanced-authentication-releasenotes-6351.html","tags":["Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38121"},{"url":"https://github.com/advisories/GHSA-x9wr-745j-rm5j"}],"sources":{"cve":[{"id":"CVE-2021-38121","title":"Weak communication protocol identified in Advance Authentication client application","description":"Insufficient or weak TLS protocol version identified in Advance authentication client server communication when specific service is accessed between devices.  This issue affects NetIQ Advance Authentication versions before 6.3.5.1","status":"published","published":"2024-08-28T06:28:43.452Z","modified":"2024-08-28T13:29:45.226Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-24594","description":"Insufficient or weak TLS protocol version identified in Advance authentication client server communication when specific service is accessed between devices.  This issue affects NetIQ Advance Authentication versions before 6.3.5.1","status":"published","published":"2024-08-28T06:28:43Z","modified":"2024-08-28T13:29:45Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-03T00:56:09.903799Z"}],"ghsa":[{"id":"GHSA-x9wr-745j-rm5j","title":"Insufficient or weak TLS protocol version identified in Advance authentication client server...","description":"Insufficient or weak TLS protocol version identified in Advance authentication client server communication when specific service is accessed between devices.  This issue affects NetIQ Advance Authentication versions before 6.3.5.1","status":"published","published":"2024-08-28T09:30:34Z","modified":"2024-08-28T09:30:40Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:58:07.107163Z"}],"nvd":[{"id":"CVE-2021-38121","description":"Insufficient or weak TLS protocol version identified in Advance authentication client server communication when specific service is accessed between devices.  This issue affects NetIQ Advance Authentication versions before 6.3.5.1","status":"published","published":"2024-08-28T07:15:07.807Z","modified":"2026-06-17T04:01:31.107Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:07:08.629518Z"}]}}