Auth bypass in Topdesk

CVE-2023-34923

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.

Vulnerability class: Broken Access Control

EPSS: 0.007 (50.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

  • Topdesk — versions 12.10.12
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-34923?
CVE-2023-34923 is a high-severity vulnerability in Topdesk, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2023-06-22.
How severe is CVE-2023-34923?
High severity. CVSS v3 base score is 8.1 out of 10.