CVE-2023-34923 json
XML Signature Wrapping (XSW) in SAML-based Single Sign-on feature in TOPdesk v12.10.12 allows bad actors with credentials to authenticate w…
published 2023-06-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-38963
- cvss
- 8.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 54%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 23 mo ago
Exploit prediction
0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- char49.com https://char49.com/articles/topdesk-vulnerable-to-xml-signature-wrapping-attacks referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
char49.com
/articles/topdesk-vulnerable-to-xml-signature-wrapping-attacks
exploit, technical-description, third-party-advisory
-
my.topdesk.com
/tas/public/ssp/content/detail/knowledgeitem?unid=56a16ba1c2824e9a82655892ba75d3c0
permissions-required
Sources
- CVE List CVE-2023-34923
- NVD CVE-2023-34923
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