{"id":"CVE-2019-12621","aliases":["EUVD-2019-4212","GHSA-mghj-97x2-4v8w"],"status":"published","title":"Cisco HyperFlex Static SSL Key Vulnerability","description":"A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to perform a man-in-the-middle attack. The vulnerability is due to insufficient key management. An attacker could exploit this vulnerability by obtaining a specific encryption key for the cluster. A successful exploit could allow the attacker to perform a man-in-the-middle attack against other nodes in the cluster.","severity":{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00376,"percentile":0.3202,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-320","CWE-327"],"published":"2019-08-21T18:00:28Z","modified":"2026-06-17T02:14:58Z","products":[{"vendor":"cisco","product":"cisco hyperflex hx-series"},{"vendor":"cisco","product":"hyperflex_hx220c_af_m5_firmware"},{"vendor":"cisco","product":"hyperflex_hx220c_edge_m5_firmware"},{"vendor":"cisco","product":"hyperflex_hx220c_m5_firmware"},{"vendor":"cisco","product":"hyperflex_hx240c_af_m5_firmware"},{"vendor":"cisco","product":"hyperflex_hx240c_m5_firmware"}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-hyperflex-sslkey","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12621"},{"url":"https://github.com/advisories/GHSA-mghj-97x2-4v8w"}],"sources":{"cve":[{"id":"CVE-2019-12621","title":"Cisco HyperFlex Static SSL Key Vulnerability","description":"A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to perform a man-in-the-middle attack. The vulnerability is due to insufficient key management. An attacker could exploit this vulnerability by obtaining a specific encryption key for the cluster. A successful exploit could allow the attacker to perform a man-in-the-middle attack against other nodes in the cluster.","status":"published","published":"2019-08-21T18:00:28.606Z","modified":"2024-11-20T17:12:58.199Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-320"],"updated_at":"2026-11-02T14:20:23.697579Z"}],"euvd":[{"id":"EUVD-2019-4212","description":"A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to perform a man-in-the-middle attack. The vulnerability is due to insufficient key management. An attacker could exploit this vulnerability by obtaining a specific encryption key for the cluster. A successful exploit could allow the attacker to perform a man-in-the-middle attack against other nodes in the cluster.","status":"published","published":"2019-08-21T18:00:28Z","modified":"2024-11-20T17:12:58Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:54.237682Z"}],"ghsa":[{"id":"GHSA-mghj-97x2-4v8w","title":"A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to...","description":"A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to perform a man-in-the-middle attack. The vulnerability is due to insufficient key management. An attacker could exploit this vulnerability by obtaining a specific encryption key for the cluster. A successful exploit could allow the attacker to perform a man-in-the-middle attack against other nodes in the cluster.","status":"published","published":"2022-05-24T16:54:21Z","modified":"2023-01-28T05:07:14Z","cwes":["CWE-327"],"updated_at":"2026-11-02T14:44:30.20469Z"}],"nvd":[{"id":"CVE-2019-12621","description":"A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to perform a man-in-the-middle attack. The vulnerability is due to insufficient key management. An attacker could exploit this vulnerability by obtaining a specific encryption key for the cluster. A successful exploit could allow the attacker to perform a man-in-the-middle attack against other nodes in the cluster.","status":"published","published":"2019-08-21T18:15:13.353Z","modified":"2026-06-17T02:14:58.29Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-320","CWE-327"],"updated_at":"2026-11-02T14:05:23.725587Z"}]}}