{"id":"CVE-2021-3005","aliases":["EUVD-2021-26360","GHSA-4qc6-wq65-6w7q"],"status":"published","title":"MK-AUTH through 19.01 K4.9 allows remote attackers to obtain sensitive information (e.g., a CPF...","description":"MK-AUTH through 19.01 K4.9 allows remote attackers to obtain sensitive information (e.g., a CPF number) via a modified titulo (aka invoice number) value to the central/recibo.php URI.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00867,"percentile":0.5913,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-01-03T03:37:39Z","modified":"2026-06-17T04:04:33Z","products":[{"vendor":"mk-auth","product":"mk-auth"}],"references":[{"url":"http://mk-auth.com.br/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://gist.github.com/alacerda/3b925cb333eb839ae808d6f01642aeb3","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3005"},{"url":"https://github.com/advisories/GHSA-4qc6-wq65-6w7q"}],"sources":{"cve":[{"id":"CVE-2021-3005","description":"MK-AUTH through 19.01 K4.9 allows remote attackers to obtain sensitive information (e.g., a CPF number) via a modified titulo (aka invoice number) value to the central/recibo.php URI.","status":"published","published":"2021-01-03T03:37:39Z","modified":"2024-08-03T16:45:50.673Z","updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26360","description":"MK-AUTH through 19.01 K4.9 allows remote attackers to obtain sensitive information (e.g., a CPF number) via a modified titulo (aka invoice number) value to the central/recibo.php URI.","status":"published","published":"2021-01-03T03:37:39Z","modified":"2024-08-03T16:45:50Z","updated_at":"2026-11-03T03:25:14.091701Z"}],"ghsa":[{"id":"GHSA-4qc6-wq65-6w7q","title":"MK-AUTH through 19.01 K4.9 allows remote attackers to obtain sensitive information (e.g., a CPF...","description":"MK-AUTH through 19.01 K4.9 allows remote attackers to obtain sensitive information (e.g., a CPF number) via a modified titulo (aka invoice number) value to the central/recibo.php URI.","status":"published","published":"2022-05-24T17:37:52Z","modified":"2023-01-29T05:05:55Z","updated_at":"2026-11-02T14:45:54.221809Z"}],"nvd":[{"id":"CVE-2021-3005","description":"MK-AUTH through 19.01 K4.9 allows remote attackers to obtain sensitive information (e.g., a CPF number) via a modified titulo (aka invoice number) value to the central/recibo.php URI.","status":"published","published":"2021-01-03T04:15:12.31Z","modified":"2026-06-17T04:04:33.037Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:49.284888Z"}]}}