RCE in Microsoft Sharepoint Enterprise Server 2016
CVE-2023-24955
Microsoft SharePoint Server Remote Code Execution Vulnerability
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.850 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.854 · newest: 0.850 · change: -0.004
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 Enterprise Server — versions 2016
- Microsoft Sharepoint Server — versions 2019
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955 (vendor-advisory, Patch, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2023-24955?
- CVE-2023-24955 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under Code Injection. CVSS score: 7.2/10. Published 2023-05-09.
- How severe is CVE-2023-24955?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2023-24955 known to be exploited?
- Yes. CVE-2023-24955 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-03-26), indicating it is being actively exploited. 10 public proof-of-concept repositories are indexed.