CVE-2023-24950
Published: 09 May 2023
Summary
CVE-2023-24950 is a medium-severity Improper Input Validation (CWE-20) vulnerability in Microsoft Sharepoint Server. Its CVSS base score is 6.5 (Medium).
Operationally, ranked in the top 3.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Microsoft SharePoint Server contains a spoofing vulnerability tracked as CVE-2023-24950. The flaw carries a CVSS 3.1 base score of 6.5 and is associated with CWE-20, reflecting improper input validation that can be reached over the network without user interaction.
An authenticated attacker with low privileges can exploit the issue to obtain high-impact disclosure of sensitive information while leaving integrity and availability untouched. The attack requires no special user interaction and operates with unchanged scope.
The Microsoft Security Response Center advisory published at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24950 supplies official mitigation steps and patch availability. The associated EPSS score reached a peak of 0.3324 and currently stands at 0.2839.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-28937
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.
Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.
Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.
Directly implements checks on information inputs to reject invalid data before processing.
Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.