Deserialization in Microsoft Sharepoint Enterprise Server 2016
CVE-2024-21318
Microsoft SharePoint Server Remote Code Execution Vulnerability
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.308 (98.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.308 · newest: 0.308 · change: 0.000
Affected products
- Microsoft Sharepoint Enterprise Server 2016 — versions 16.0.0
- Microsoft Sharepoint Server 2019 — versions 16.0.0
- Microsoft Sharepoint Server Subscription Edition — versions 16.0.0
- Microsoft Sharepoint Server — versions 2016, 2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21318 (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-21318?
- CVE-2024-21318 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2024-01-09.
- How severe is CVE-2024-21318?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2024-21318 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.