{"id":"CVE-2020-12051","aliases":["BIT-mediawiki-2020-12051","EUVD-2020-4367","GHSA-4892-82wr-4cv3"],"status":"published","title":"The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain...","description":"The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain sensitive hidden account information via an api.php?action=query\u0026meta=globaluserinfo\u0026guiuser= request. In other words, the information can be retrieved via the action API even though access would be denied when simply visiting wiki/Special:CentralAuth in a web browser.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01317,"percentile":0.71205,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2020-04-21T21:24:33Z","modified":"2026-07-08T12:06:14Z","affected":[{"source":"osv","ecosystem":"Bitnami","package":"mediawiki"}],"products":[{"vendor":"mediawiki","product":"mediawiki"}],"references":[{"url":"https://phabricator.wikimedia.org/T250594","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","web","fix"]},{"url":"https://gerrit.wikimedia.org/r/#/q/I3c80641dc1202df7428714f0ca44717a51ff6021","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12051"},{"url":"https://github.com/advisories/GHSA-4892-82wr-4cv3"}],"sources":{"cve":[{"id":"CVE-2020-12051","description":"The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain sensitive hidden account information via an api.php?action=query\u0026meta=globaluserinfo\u0026guiuser= request. In other words, the information can be retrieved via the action API even though access would be denied when simply visiting wiki/Special:CentralAuth in a web browser.","status":"published","published":"2020-04-21T21:24:33Z","modified":"2024-08-04T11:48:58.044Z","updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-4367","description":"The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain sensitive hidden account information via an api.php?action=query\u0026meta=globaluserinfo\u0026guiuser= request. In other words, the information can be retrieved via the action API even though access would be denied when simply visiting wiki/Special:CentralAuth in a web browser.","status":"published","published":"2020-04-21T21:24:33Z","modified":"2024-08-04T11:48:58Z","updated_at":"2026-11-03T03:07:41.399649Z"}],"ghsa":[{"id":"GHSA-4892-82wr-4cv3","title":"The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain...","description":"The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain sensitive hidden account information via an api.php?action=query\u0026meta=globaluserinfo\u0026guiuser= request. In other words, the information can be retrieved via the action API even though access would be denied when simply visiting wiki/Special:CentralAuth in a web browser.","status":"published","published":"2022-05-24T17:16:09Z","modified":"2023-01-29T05:02:25Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:45:04.822413Z"}],"nvd":[{"id":"CVE-2020-12051","description":"The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain sensitive hidden account information via an api.php?action=query\u0026meta=globaluserinfo\u0026guiuser= request. In other words, the information can be retrieved via the action API even though access would be denied when simply visiting wiki/Special:CentralAuth in a web browser.","status":"published","published":"2020-04-21T22:15:14.9Z","modified":"2026-06-17T02:51:20.92Z","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":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:59.718774Z"}],"osv":[{"id":"CVE-2020-12051","description":"The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain sensitive hidden account information via an api.php?action=query\u0026meta=globaluserinfo\u0026guiuser= request. In other words, the information can be retrieved via the action API even though access would be denied when simply visiting wiki/Special:CentralAuth in a web browser.","status":"published","published":"2020-04-21T22:15:14.9Z","modified":"2026-07-08T12:06:14.782923Z","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"}],"updated_at":"2026-11-02T15:44:14.034736Z"},{"id":"BIT-mediawiki-2020-12051","description":"The CentralAuth extension through REL1_34 for MediaWiki allows remote attackers to obtain sensitive hidden account information via an api.php?action=query\u0026meta=globaluserinfo\u0026guiuser= request. In other words, the information can be retrieved via the action API even though access would be denied when simply visiting wiki/Special:CentralAuth in a web browser.","status":"published","published":"2024-01-31T15:31:26.902Z","modified":"2024-01-31T15:40:39.817Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}