{"id":"CVE-2019-0798","aliases":["EUVD-2019-1554","GHSA-43cx-jhp3-2qcr"],"status":"published","title":"A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly...","description":"A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business and Lync Spoofing Vulnerability'.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02084,"percentile":0.81691,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2019-04-09T02:33:50Z","modified":"2026-06-17T02:08:55Z","products":[{"vendor":"microsoft","product":"lync_server"},{"vendor":"microsoft","product":"microsoft lync server 2013"},{"vendor":"microsoft","product":"skype for business server 2015"},{"vendor":"microsoft","product":"skype_for_business_server"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0798","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-0798"},{"url":"https://github.com/advisories/GHSA-43cx-jhp3-2qcr"}],"sources":{"cve":[{"id":"CVE-2019-0798","description":"A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business and Lync Spoofing Vulnerability'.","status":"published","published":"2019-04-09T02:33:50Z","modified":"2024-08-04T17:58:59.156Z","updated_at":"2026-11-02T14:32:24.473448Z"}],"euvd":[{"id":"EUVD-2019-1554","description":"A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business and Lync Spoofing Vulnerability'.","status":"published","published":"2019-04-09T02:33:50Z","modified":"2024-08-04T17:58:59Z","updated_at":"2026-11-03T03:07:00.558698Z"}],"ghsa":[{"id":"GHSA-43cx-jhp3-2qcr","title":"A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly...","description":"A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business and Lync Spoofing Vulnerability'.","status":"published","published":"2022-05-13T01:21:35Z","modified":"2023-02-01T05:06:35Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:50:22.895109Z"}],"nvd":[{"id":"CVE-2019-0798","description":"A spoofing vulnerability exists when a Lync Server or Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business and Lync Spoofing Vulnerability'.","status":"published","published":"2019-04-09T03:29:00.81Z","modified":"2026-06-17T02:08:55.86Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:05:11.426883Z"}]}}