High severity · published May 9, 2023
CVE-2023-24955
Microsoft SharePoint Server Remote Code Execution Vulnerability
RansomwareIn wildKEV
7.2
CVSS
85%
EPSS
Yes
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)85.0% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Mar 26, 2024
Federal remediation dueApr 16, 2024
Ransomware campaign useKnown
Affected products
Which versions
SH
SharePoint · Microsoft
2019 · source: NVD, KEV
MS
Microsoft SharePoint Enterprise Server 2016 · Microsoft
16.0.0 before 16.0.5395.1000 · source: vendor
MS
Microsoft SharePoint Server 2019 · Microsoft
16.0.0 before 16.0.10398.20000 · source: vendor
MS
Microsoft SharePoint Server Subscription Edition · Microsoft
16.0.0 before 16.0.16130.20420 · source: vendor
SE
Sharepoint Enterprise Server · Microsoft
2016 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-24955
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-24955
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955
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