{"id":"CVE-2021-40510","aliases":["EUVD-2021-27686","GHSA-9vf5-wqh5-qmx4"],"status":"published","title":"XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system...","description":"XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system files via custom DTDs.","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":"2026-11-10","score":0.0138,"percentile":0.72342,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-611"],"published":"2022-06-21T16:10:33Z","modified":"2026-06-17T04:07:04Z","products":[{"vendor":"obdasystems","product":"mastro"}],"references":[{"url":"https://www.obdasystems.com/mastro","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://www.cyberiskvision.com/advisory/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40510"},{"url":"https://github.com/advisories/GHSA-9vf5-wqh5-qmx4"}],"sources":{"cve":[{"id":"CVE-2021-40510","description":"XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system files via custom DTDs.","status":"published","published":"2022-06-21T16:10:33Z","modified":"2024-08-04T02:44:10.788Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27686","description":"XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system files via custom DTDs.","status":"published","published":"2022-06-21T16:10:33Z","modified":"2024-08-04T02:44:10Z","updated_at":"2026-11-03T03:24:20.264881Z"}],"ghsa":[{"id":"GHSA-9vf5-wqh5-qmx4","title":"XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system...","description":"XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system files via custom DTDs.","status":"published","published":"2022-06-22T00:00:53Z","modified":"2023-01-27T05:04:43Z","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"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:42:31.605047Z"}],"nvd":[{"id":"CVE-2021-40510","description":"XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system files via custom DTDs.","status":"published","published":"2022-06-21T17:15:08.2Z","modified":"2026-06-17T04:07:04.057Z","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"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}