CVE-2023-24955

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.850 · 100 %ileexploit · weaponizedDEEURUUS
grimoire priorityP0 · Act now
Exploitable?
Yes · in the wild
CISA KEV · 2 exploits · weaponized
Likely / severe?
85.0% (100th) EPSS
CVSS 7.2 · high
Is it mine?
18 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2024-03-26remediate by 2024-04-16

required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-27

Microsoft SharePoint Server Code Injection Vulnerability

Microsoft SharePoint Server Remote Code Execution Vulnerability

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

7.2
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.2highAV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU
v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.2 · impact 5.9
v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)
v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

exploits (2)

Public proof-of-concept and weaponised exploit code.

06

affected products (18)

Products and version ranges known to be affected.

07

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2023-1179Microsoft Office: Mehrere SchwachstellenDeutsch2023-05-09csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Microsoft 365 Apps, Microsoft Excel, Microsoft Office, Microsoft Office Online Server, Microsoft SharePoint, Microsoft Teams und Microsoft Word ausnutzen, um Informationen offenzulegen, beliebigen Programmcode auszuführen, einen Denial of Service Zustand herbeizuführen, Dateien zu manipulieren oder Sicherheitsvorkehrungen zu umgehen.

  • msrc_CVE-2023-24955Microsoft SharePoint Server Remote Code Execution Vulnerability2023-05-09csaf · msrc_csafUS

    To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

08

also known as (4)

Other names and identifiers for this entity.

09

sources

Which sources assert this record, and when.

11

references (7)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

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