VulnerabilityModified
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.
HIGH 8.1EPSS 0.74%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.74% probability · 53th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- topdesk/topdesk
- Source
- cve@mitre.org
References
- https://char49.com/articles/topdesk-vulnerable-to-xml-signature-wrapping-attacksExploit, Technical Description, Third Party Advisory
- https://my.topdesk.com/tas/public/ssp/content/detail/knowledgeitem?unid=56a16ba1c2824e9a82655892ba75d3c0Permissions Required
- https://char49.com/articles/topdesk-vulnerable-to-xml-signature-wrapping-attacksExploit, Technical Description, Third Party Advisory
- https://my.topdesk.com/tas/public/ssp/content/detail/knowledgeitem?unid=56a16ba1c2824e9a82655892ba75d3c0Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.