{"id":"CVE-2020-5869","aliases":["EUVD-2020-27023","GHSA-3rjh-fcp5-cg7v"],"status":"published","title":"In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow...","description":"In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow on-path attackers to read / modify confidential data in transit.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00485,"percentile":0.42061,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-924"],"published":"2020-04-24T13:05:03Z","modified":"2026-06-17T03:22:21Z","products":[{"vendor":"f5","product":"big-iq"},{"vendor":"f5","product":"big-iq_centralized_management"}],"references":[{"url":"https://support.f5.com/csp/article/K28855111","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5869"},{"url":"https://github.com/advisories/GHSA-3rjh-fcp5-cg7v"}],"sources":{"cve":[{"id":"CVE-2020-5869","description":"In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow on-path attackers to read / modify confidential data in transit.","status":"published","published":"2020-04-24T13:05:03Z","modified":"2024-08-04T08:47:40.739Z","updated_at":"2026-11-02T14:35:47.56691Z"}],"euvd":[{"id":"EUVD-2020-27023","description":"In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow on-path attackers to read / modify confidential data in transit.","status":"published","published":"2020-04-24T13:05:03Z","modified":"2024-08-04T08:47:40Z","updated_at":"2026-11-03T03:08:05.176275Z"}],"ghsa":[{"id":"GHSA-3rjh-fcp5-cg7v","title":"In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow...","description":"In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow on-path attackers to read / modify confidential data in transit.","status":"published","published":"2022-05-24T17:16:27Z","modified":"2023-01-29T05:02:42Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:45:09.006349Z"}],"nvd":[{"id":"CVE-2020-5869","description":"In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow on-path attackers to read / modify confidential data in transit.","status":"published","published":"2020-04-24T14:15:14.233Z","modified":"2026-06-17T03:22:21.997Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-924"],"updated_at":"2026-11-02T14:05:59.718774Z"}]}}