CVE-2025-21400
published 2025-02-11CVE-2025-21400: Microsoft SharePoint Server Remote Code Execution Vulnerability
PriorityP262high8CVSS 3.1
AVNACLPRLUIRSUCHIHAH
EPSS
34.49%
98.4th percentile
Microsoft SharePoint Server Remote Code Execution Vulnerability
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_sharepoint_enterprise_server_2016 | >= 16.0.0 < 16.0.5487.1000 | 16.0.5487.1000 |
| microsoft | microsoft_sharepoint_server_2019 | >= 16.0.0 < 16.0.10416.20050 | 16.0.10416.20050 |
| microsoft | microsoft_sharepoint_server_subscription_edition | >= 16.0.0 < 16.0.17928.20396 | 16.0.17928.20396 |
| microsoft | sharepoint_server | < 16.0.17928.20396 | 16.0.17928.20396 |
| microsoft | sharepoint_server | — | — |
| microsoft | sharepoint_server | — | — |
| msrc | microsoft_sharepoint_enterprise_server_2016 | — | — |
| msrc | microsoft_sharepoint_server_2019 | — | — |
| msrc | microsoft_sharepoint_server_subscription_edition | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Attacker must be authenticated as at least a Site Owner on the SharePoint Server to exploit this RCE vulnerability via arbitrary code injection. ↗
- →The attack vector is network-based and requires user interaction (UI:R); monitor for clients connecting to malicious/unexpected SharePoint servers, as the attacker can gain code execution on the connecting client. ↗
- ·Exploitation is rated 'More Likely' for the latest software release, though as of advisory publication it has not yet been publicly disclosed or actively exploited. Prioritize patching accordingly. ↗
CVSS provenance
nvdv3.18.0HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
vendor_msrc8.0HIGH
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GHSA
GHSA-5fcc-vrrh-rv6c: Microsoft SharePoint Server Remote Code Execution Vulnerability
ghsa_unreviewed·2025-02-11
CVE-2025-21400 [HIGH] CWE-285 GHSA-5fcc-vrrh-rv6c: Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft
Microsoft SharePoint Server Remote Code Execution Vulnerability
vendor_msrc·2025-02-11·CVSS 8.0
CVE-2025-21400 [HIGH] CWE-285 Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft SharePoint Server Remote Code Execution Vulnerability
FAQ: According to the CVSS metric, the attack vector is network (AV:N) and the user interaction is required (UI:R). What is the target context of the remote code execution?
This attack requires a client to connect to a malicious server, and that could allow the attacker to gain code execution on the client.
FAQ: How could an attacker exploit the vulnerability?
In a network-based attack, an attacker authenticated as at least a Site Owner, could write arbitrary code to inject and execute code remotely on the SharePoint Server.
Microsoft Office SharePoint: Microsoft Office SharePoint
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Remote Code Execution
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest So
No detection rules found.
No public exploits indexed.
Talos
Microsoft Patch Tuesday for February 2025 — Snort rules and prominent vulnerabilities
blogs_talos·2025-02-11·CVSS 8.7
CVE-2025-21376 [HIGH] Microsoft Patch Tuesday for February 2025 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for February of 2025 which includes 63 vulnerabilities affecting a range of products, including 4 that Microsoft marked as “critical” and one marked as "moderate."
There are two notable "critical" vulnerabilities. The first is CVE-2025-21376, which is a remote code execution (RCE) vulnerability affecting the Windows Lightweight Directory Access Protocol (LDAP). This vulnerability is a remote unauthenticated Out-of-bounds Write (OOBW) caused by a race condition in LDAP and could potentially result in arbitrary code execution in the Local Security Authority Subsystem Service (lsass.exe). This is a process in the Microsoft Windows operating systems that is responsible for enforcing the security policy on the system. Successful exploitation o
Talos
Microsoft Patch Tuesday for February 2025 — Snort rules and prominent vulnerabilities
blogs_talos·2025-02-11·CVSS 8.7
CVE-2025-21376 [HIGH] Microsoft Patch Tuesday for February 2025 — Snort rules and prominent vulnerabilities
## Microsoft Patch Tuesday for February 2025 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for February of 2025 which includes 63 vulnerabilities affecting a range of products, including 4 that Microsoft marked as “critical” and one marked as "moderate."
There are two notable "critical" vulnerabilities. The first is CVE-2025-21376 , which is a remote code execution (RCE) vulnerability affecting the Windows Lightweight Directory Access Protocol (LDAP). This vulnerability is a remote unauthenticated Out-of-bounds Write (OOBW) caused by a race condition in LDAP and could potentially result in arbitrary code execution in the Local Security Authority Subsystem Service (lsass.exe). This is a process in the Microsoft Windows operating systems tha
Qualys
Microsoft and Adobe Patch Tuesday, February 2025 Security Update Review
blogs_qualys·2025-02-11
Microsoft and Adobe Patch Tuesday, February 2025 Security Update Review
## Table of Contents
Microsoft Patch Tuesday for February 2025
Adobe Patches for February 2025
Zero-day Vulnerabilities Patched in February Patch Tuesday Edition
Critical Severity Vulnerabilities Patched in February Patch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
Rapid Response withPatch Management (PM)
Qualys Monthly Webinar Series
As the second Patch Tuesday of 2025 arrives, Microsoft has released crucial updates to strengthen cybersecurity defenses. Let’s explore the highlights and what they mean for users.
## Microsoft Patch Tuesday for February 2025
Microsoft Patch’s Tuesday, February 2025 edition addressed 67 vulnerabilities, including t
Qualys
Microsoft and Adobe Patch Tuesday, February 2025 Security Update Review | Qualys
blogs_qualys·2025-02-11
Microsoft and Adobe Patch Tuesday, February 2025 Security Update Review | Qualys
#### Table of Contents
- Microsoft Patch Tuesday for February 2025
- Adobe Patches for February 2025
- Zero-day Vulnerabilities Patched in February Patch Tuesday Edition
- Critical Severity Vulnerabilities Patched in February Patch Tuesday Edition
- Other Microsoft Vulnerability Highlights
- Microsoft Release Summary
- Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
- Rapid Response withPatch Management (PM)
- Qualys Monthly Webinar Series
As the second Patch Tuesday of 2025 arrives, Microsoft has released crucial updates to strengthen cybersecurity defenses. Let’s explore the highlights and what they mean for users.
## Microsoft Patch Tuesday for February 2025
Microsoft Patch’s Tuesday, February 2025 edition addressed 67 vulnerabilities,
Bleepingcomputer
Microsoft February 2025 Patch Tuesday fixes 4 zero-days, 55 flaws
blogs_bleepingcomputer·2025-02-11·CVSS 7.1
[HIGH] Microsoft February 2025 Patch Tuesday fixes 4 zero-days, 55 flaws
## Microsoft February 2025 Patch Tuesday fixes 4 zero-days, 55 flaws
## Lawrence Abrams
19 Elevation of Privilege Vulnerabilities
2 Security Feature Bypass Vulnerabilities
22 Remote Code Execution Vulnerabilities
1 Information Disclosure Vulnerabilities
9 Denial of Service Vulnerabilities
3 Spoofing Vulnerabilities
The above numbers do not include a critical Microsoft Dynamics 365 Sales elevation of privileges flaw and 10 Microsoft Edge vulnerabilities fixed on February 6.
To learn more about the non-security updates released today, you can review our dedicated articles on the Windows 11 KB5051987 & KB5051989 cumulative updates and the Windows 10 KB5051974 update .
## Two actively exploited zero-day disclosed
This month's Patch Tuesday fixes two actively exploited and two public
Tenable
Microsoft’s February 2025 Patch Tuesday Addresses 55 CVEs (CVE-2025-21418, CVE-2025-21391)
blogs_tenable·2025-02-11·CVSS 7.1
[HIGH] Microsoft’s February 2025 Patch Tuesday Addresses 55 CVEs (CVE-2025-21418, CVE-2025-21391)
## Cloud Exposure
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## Business needs
Active Directory
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Cloud Security Posture Man
2025-02-11
Published