CVE-2021-31207

KEV
Published: Mag 11, 2021 Last Modified: Ott 30, 2025
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,6
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: high
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: single
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

Microsoft Exchange Server Security Feature Bypass Vulnerability

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,9391
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

434

Unrestricted Upload of File with Dangerous Type

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: ASP.NET, Not Language-Specific, PHP
Technologies: Web Server
Likelihood of Exploit: Medium
View CWE Details
Application

Exchange Server by Microsoft

Product Information
Vendor Microsoft
Product Exchange Server
Version 2016
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Exchange Server by Microsoft

Product Information
Vendor Microsoft
Product Exchange Server
Version 2016
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Exchange Server by Microsoft

Product Information
Vendor Microsoft
Product Exchange Server
Version 2019
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Exchange Server by Microsoft

Product Information
Vendor Microsoft
Product Exchange Server
Version 2019
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Exchange Server by Microsoft

Product Information
Vendor Microsoft
Product Exchange Server
Version 2013
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
http://packetstormsecurity.com/files/163895/Microsoft-Excha…
http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remot…
https://portal.msrc.microsoft.com/en-US/security-guidance/a…
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-312…
https://www.zerodayinitiative.com/advisories/ZDI-21-819/
https://www.zerodayinitiative.com/advisories/ZDI-21-819/
http://packetstormsecurity.com/files/163895/Microsoft-Excha…
http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remot…
https://portal.msrc.microsoft.com/en-US/security-guidance/a…
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-312…
https://www.zerodayinitiative.com/advisories/ZDI-21-819/
https://www.zerodayinitiative.com/advisories/ZDI-21-819/