CVE-2023-23395
Published: 14 March 2023
Summary
CVE-2023-23395 is a low-severity Open Redirect (CWE-601) vulnerability in Microsoft Sharepoint Server. Its CVSS base score is 3.1 (Low).
Operationally, ranked in the top 8.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2023-23395 is a spoofing vulnerability in Microsoft SharePoint Server, assigned CWE-601 for URL redirection to an untrusted site. It carries a CVSS 3.1 base score of 3.1 reflecting network attack vector, high attack complexity, no required privileges, and required user interaction, resulting in limited integrity impact with no confidentiality or availability effects.
An unauthenticated attacker can send a crafted link that, once clicked by a victim, redirects the user to an attacker-controlled destination. This allows the adversary to present spoofed content or capture limited session-related actions while operating within the constraints of the high complexity and user-interaction requirements.
Microsoft has published remediation guidance in its Security Response Center update guide for CVE-2023-23395, directing administrators to apply the available security updates for affected SharePoint Server versions. The associated EPSS score remains low, with a current value of 0.0628 and a peak of 0.0762.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-27495
Vulnerability details
Microsoft SharePoint Server Spoofing Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.