{"id":"CVE-2023-34923","aliases":["EUVD-2023-38963","GHSA-5c5q-j6rj-g663"],"status":"published","title":"XML Signature Wrapping (XSW) in SAML-based Single Sign-on feature in TOPdesk v12.10.12 allows bad...","description":"XML Signature Wrapping (XSW) in SAML-based Single Sign-on feature in TOPdesk v12.10.12 allows bad actors with credentials to authenticate with the Identity Provider (IP) to impersonate any TOPdesk user via SAML Response manipulation.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00741,"percentile":0.55073,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2023-06-22T00:00:00Z","modified":"2026-06-17T06:04:06Z","products":[{"vendor":"topdesk","product":"topdesk"}],"references":[{"url":"https://char49.com/articles/topdesk-vulnerable-to-xml-signature-wrapping-attacks","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://my.topdesk.com/tas/public/ssp/content/detail/knowledgeitem?unid=56a16ba1c2824e9a82655892ba75d3c0","tags":["x_transferred","Permissions Required"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34923"},{"url":"https://github.com/advisories/GHSA-5c5q-j6rj-g663"}],"sources":{"cve":[{"id":"CVE-2023-34923","description":"XML Signature Wrapping (XSW) in SAML-based Single Sign-on feature in TOPdesk v12.10.12 allows bad actors with credentials to authenticate with the Identity Provider (IP) to impersonate any TOPdesk user via SAML Response manipulation.","status":"published","published":"2023-06-22T00:00:00Z","modified":"2024-12-04T21:41:52.409Z","updated_at":"2026-11-02T14:35:35.580545Z"}],"euvd":[{"id":"EUVD-2023-38963","description":"XML Signature Wrapping (XSW) in SAML-based Single Sign-on feature in TOPdesk v12.10.12 allows bad actors with credentials to authenticate with the Identity Provider (IP) to impersonate any TOPdesk user via SAML Response manipulation.","status":"published","published":"2023-06-22T00:00:00Z","modified":"2024-12-04T21:41:52Z","updated_at":"2026-11-03T00:04:40.496649Z"}],"ghsa":[{"id":"GHSA-5c5q-j6rj-g663","title":"XML Signature Wrapping (XSW) in SAML-based Single Sign-on feature in TOPdesk v12.10.12 allows bad...","description":"XML Signature Wrapping (XSW) in SAML-based Single Sign-on feature in TOPdesk v12.10.12 allows bad actors with credentials to authenticate with the Identity Provider (IP) to impersonate any TOPdesk user via SAML Response manipulation.","status":"published","published":"2023-06-22T21:30:48Z","modified":"2024-04-04T05:08:32Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:56:29.503716Z"}],"nvd":[{"id":"CVE-2023-34923","description":"XML Signature Wrapping (XSW) in SAML-based Single Sign-on feature in TOPdesk v12.10.12 allows bad actors with credentials to authenticate with the Identity Provider (IP) to impersonate any TOPdesk user via SAML Response manipulation.","status":"published","published":"2023-06-22T19:15:08.987Z","modified":"2026-06-17T06:04:06.683Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:08:12.414559Z"}]}}