{"id":"CVE-2021-23128","aliases":["BIT-joomla-2021-23128","EUVD-2021-10246","GHSA-7h2v-2fwm-pjjh"],"status":"published","title":"[20210302] - Core - Potential Insecure FOFEncryptRandval","description":"An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to 'random_bytes()' and its backport that is shipped within random_compat.","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":"2026-11-11","score":0.0138,"percentile":0.72475,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-03-04T17:37:14Z","modified":"2026-10-24T10:30:24Z","fixes":[{"ecosystem":"Bitnami","package":"joomla","fixed_in":["3.9.25"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"joomla","ranges":[{"type":"SEMVER","events":[{"introduced":"3.2.0"},{"fixed":"3.9.25"}]}]}],"products":[{"vendor":"joomla","product":"joomla\\!"},{"vendor":"joomla! project","product":"joomla! cms"}],"references":[{"url":"https://developer.joomla.org/security-centre/842-20210302-core-potential-insecure-fofencryptrandval.html","tags":["x_refsource_MISC","vendor-advisory","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23128","tags":["web"]},{"url":"https://github.com/advisories/GHSA-7h2v-2fwm-pjjh"}],"sources":{"cve":[{"id":"CVE-2021-23128","title":"[20210302] - Core - Potential Insecure FOFEncryptRandval","description":"An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to 'random_bytes()' and its backport that is shipped within random_compat.","status":"published","published":"2021-03-04T17:37:14.499Z","modified":"2026-02-25T05:04:49.992Z","updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-10246","description":"An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to 'random_bytes()' and its backport that is shipped within random_compat.","status":"published","published":"2021-03-04T17:37:14Z","modified":"2026-02-25T05:04:49Z","updated_at":"2026-11-02T19:48:29.551855Z"}],"ghsa":[{"id":"GHSA-7h2v-2fwm-pjjh","title":"An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval...","description":"An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to 'random_bytes()' and its backport that is shipped within random_compat.","status":"published","published":"2022-05-24T17:43:39Z","modified":"2023-01-29T05:05:55Z","updated_at":"2026-11-02T14:45:54.702484Z"}],"nvd":[{"id":"CVE-2021-23128","description":"An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to 'random_bytes()' and its backport that is shipped within random_compat.","status":"published","published":"2021-03-04T18:15:13.363Z","modified":"2026-06-17T03:38:18.92Z","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"}],"updated_at":"2026-11-02T14:06:50.399901Z"}],"osv":[{"id":"CVE-2021-23128","description":"An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to 'random_bytes()' and its backport that is shipped within random_compat.","status":"published","published":"2021-03-04T18:15:13.363Z","modified":"2026-10-24T10:30:24.374661547Z","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"}],"updated_at":"2026-11-02T15:44:18.367807Z"},{"id":"BIT-joomla-2021-23128","title":"[20210302] - Core - Potential Insecure FOFEncryptRandval","description":"An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to 'random_bytes()' and its backport that is shipped within random_compat.","status":"published","published":"2025-04-03T14:12:23.598Z","modified":"2026-09-08T08:48:01.390030412Z","updated_at":"2026-11-02T15:28:31.782692Z"}]}}