CVE-2021-27076
Microsoft SharePoint Server Remote Code Execution Vulnerability
Severity Score
8.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Microsoft SharePoint Server Remote Code Execution Vulnerability
Una Vulnerabilidad de Ejecución de Código Remota de Microsoft SharePoint Server
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft SharePoint Server. Authentication is required to exploit this vulnerability.
The specific flaw exists within the processing of InfoPath attachments. Tampering with client-side data can trigger the deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the SharePoint web server process.
*Credits:
Anonymous
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-02-10 CVE Reserved
- 2021-03-11 CVE Published
- 2024-07-29 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-21-276 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27076 | 2023-12-29 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | Business Productivity Servers Search vendor "Microsoft" for product "Business Productivity Servers" | 2010 Search vendor "Microsoft" for product "Business Productivity Servers" and version "2010" | sp2 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Sharepoint Foundation Search vendor "Microsoft" for product "Sharepoint Foundation" | 2013 Search vendor "Microsoft" for product "Sharepoint Foundation" and version "2013" | sp1 |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Sharepoint Server Search vendor "Microsoft" for product "Sharepoint Server" | 2016 Search vendor "Microsoft" for product "Sharepoint Server" and version "2016" | enterprise |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Sharepoint Server Search vendor "Microsoft" for product "Sharepoint Server" | 2019 Search vendor "Microsoft" for product "Sharepoint Server" and version "2019" | - |
Affected
| ||||||