{"id":"CVE-2019-4540","aliases":["EUVD-2019-14147","GHSA-ch9g-c5wp-jf2p"],"status":"published","title":"IBM Security Directory Server 6.4.0 uses weaker than expected cryptographic algorithms that could...","description":"IBM Security Directory Server 6.4.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 165813.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/I:N/A:N/UI:N/C:H/S:U/PR:N/E:U/RC:C/RL:O","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00792,"percentile":0.56591,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-327"],"published":"2020-02-04T16:45:34Z","modified":"2026-06-17T02:36:37Z","products":[{"vendor":"ibm","product":"security directory server"},{"vendor":"ibm","product":"security_directory_server"}],"references":[{"url":"https://www.ibm.com/support/pages/node/1288660","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/165813","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-4540"},{"url":"https://github.com/advisories/GHSA-ch9g-c5wp-jf2p"}],"sources":{"cve":[{"id":"CVE-2019-4540","description":"IBM Security Directory Server 6.4.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 165813.","status":"published","published":"2020-02-04T16:45:34.586Z","modified":"2024-09-16T22:52:11.808Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/I:N/A:N/UI:N/C:H/S:U/PR:N/E:U/RC:C/RL:O","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:20:25.303966Z"}],"euvd":[{"id":"EUVD-2019-14147","description":"IBM Security Directory Server 6.4.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 165813.","status":"published","published":"2020-02-04T16:45:34Z","modified":"2024-09-16T22:52:11Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/I:N/A:N/UI:N/C:H/S:U/PR:N/E:U/RC:C/RL:O","level":"medium"}],"updated_at":"2026-11-03T00:54:58.800859Z"}],"ghsa":[{"id":"GHSA-ch9g-c5wp-jf2p","title":"IBM Security Directory Server 6.4.0 uses weaker than expected cryptographic algorithms that could...","description":"IBM Security Directory Server 6.4.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 165813.","status":"published","published":"2022-05-24T17:07:57Z","modified":"2023-01-29T05:01:26Z","updated_at":"2026-11-02T14:44:49.414884Z"}],"nvd":[{"id":"CVE-2019-4540","description":"IBM Security Directory Server 6.4.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 165813.","status":"published","published":"2020-02-04T17:15:12.327Z","modified":"2026-06-17T02:36:37.35Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:05:43.875329Z"}]}}