What is the CVSS score of CVE-2023-34923?

CVE-2023-34923 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.7%.

Is there a public PoC exploit available for CVE-2023-34923?

Yes, a public proof-of-concept exploit is available for CVE-2023-34923. Prioritise patching immediately. EPSS: 0.7%.

Topdesk CVE-2023-34923

HIGH

Incorrect Authorization (CWE-863)

2023-06-22 cve@mitre.org

Authentication Bypass Topdesk

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Jun 22, 2023 - 19:15 nvd

HIGH 8.1

DescriptionNVD

AnalysisAI

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. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. 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. Affected products include: Topdesk.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.