{"id":"CVE-2025-25005","aliases":["EUVD-2025-24364","GHSA-q3j7-h2p2-782p"],"status":"published","title":"Microsoft Exchange Server Tampering Vulnerability","description":"Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01452,"percentile":0.73597,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2025-08-12T17:09:52Z","modified":"2026-06-17T08:59:58Z","products":[{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"exchange_server_subscription_edition"},{"vendor":"microsoft","product":"microsoft exchange server 2016 cumulative update 23"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 14"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 15"},{"vendor":"microsoft","product":"microsoft exchange server subscription edition rtm"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-25005","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-25005"},{"url":"https://github.com/advisories/GHSA-q3j7-h2p2-782p"}],"sources":{"cve":[{"id":"CVE-2025-25005","title":"Microsoft Exchange Server Tampering Vulnerability","description":"Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.","status":"published","published":"2025-08-12T17:09:52.756Z","modified":"2026-02-13T18:54:09.87Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:31.971896Z"}],"euvd":[{"id":"EUVD-2025-24364","description":"Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.","status":"published","published":"2025-08-12T17:09:52Z","modified":"2026-02-13T18:54:09Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T19:48:39.919829Z"}],"ghsa":[{"id":"GHSA-q3j7-h2p2-782p","title":"Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform...","description":"Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.","status":"published","published":"2025-08-12T18:31:30Z","modified":"2025-08-12T18:31:31Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:03:14.998043Z"}],"nvd":[{"id":"CVE-2025-25005","description":"Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.","status":"published","published":"2025-08-12T18:15:27.677Z","modified":"2026-06-17T08:59:58.92Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:11:22.953396Z"}]}}