ClosedPatched

Microsoft SharePoint Server Code Injection

Microsoft SharePoint Server

Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely. Added to the CISA KEV catalog on 2024-03-26. CISA lists known use in ransomware campaigns. CVE-2023-24955 was assigned before 2024; the KEV listing came in 2024.

Why this severity: CVSS 7.2 (v3.1, CNA), actively exploited (CISA KEV); known ransomware use

Started: Mar 26, 2024
Closed: Mar 26, 2024
CVE: CVE-2023-24955

Follow this incident

Updated Mar 26, 2024

Affected

See vendor advisory (versions are not listed in the KEV record)

Fixed in

See vendor advisory linked in sources

Timeline1

Mar 26, 2024
CISA added CVE-2023-24955 to the KEV catalog (federal deadline 2024-04-16)
Source

Advisories3

Notes & caveats

Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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