{"id":"CVE-2008-4102","aliases":["EUVD-2008-4086","GHSA-cp48-2wcf-rx78"],"status":"published","title":"Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for...","description":"Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for attackers to guess the pseudo-random values produced by PHP's mt_rand function, as demonstrated by guessing password reset tokens, a different vulnerability than CVE-2008-3681.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02377,"percentile":0.83982,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-189"],"published":"2008-09-18T17:47:00Z","modified":"2026-06-16T22:57:10Z","products":[{"vendor":"joomla","product":"joomla"}],"references":[{"url":"http://marc.info/?l=oss-security\u0026m=122152798516853\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://securityreason.com/securityalert/4271","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/496237/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://secunia.com/advisories/31789","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.suspekt.org/2008/08/17/mt_srand-and-not-so-random-numbers/","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/45068","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://marc.info/?l=oss-security\u0026m=122115344915232\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://marc.info/?l=oss-security\u0026m=122118210029084\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://developer.joomla.org/security/news/272-20080902-core-random-number-generation-flaw.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.sektioneins.de/advisories/SE-2008-04.txt","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-4102"},{"url":"http://www.suspekt.org/2008/08/17/mt_srand-and-not-so-random-numbers"},{"url":"https://github.com/advisories/GHSA-cp48-2wcf-rx78"}],"sources":{"cve":[{"id":"CVE-2008-4102","description":"Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for attackers to guess the pseudo-random values produced by PHP's mt_rand function, as demonstrated by guessing password reset tokens, a different vulnerability than CVE-2008-3681.","status":"published","published":"2008-09-18T17:47:00Z","modified":"2024-08-07T10:00:42.832Z","updated_at":"2026-11-02T14:34:46.950176Z"}],"euvd":[{"id":"EUVD-2008-4086","description":"Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for attackers to guess the pseudo-random values produced by PHP's mt_rand function, as demonstrated by guessing password reset tokens, a different vulnerability than CVE-2008-3681.","status":"published","published":"2008-09-18T17:47:00Z","modified":"2024-08-07T10:00:42Z","updated_at":"2026-11-03T01:38:49.434096Z"}],"ghsa":[{"id":"GHSA-cp48-2wcf-rx78","title":"Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for...","description":"Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for attackers to guess the pseudo-random values produced by PHP's mt_rand function, as demonstrated by guessing password reset tokens, a different vulnerability than CVE-2008-3681.","status":"published","published":"2022-05-02T00:06:51Z","modified":"2025-04-09T03:58:28Z","updated_at":"2026-11-02T15:00:58.052014Z"}],"nvd":[{"id":"CVE-2008-4102","description":"Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for attackers to guess the pseudo-random values produced by PHP's mt_rand function, as demonstrated by guessing password reset tokens, a different vulnerability than CVE-2008-3681.","status":"published","published":"2008-09-18T17:59:32.907Z","modified":"2026-06-16T22:57:10.997Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:01:28.625777Z"}]}}