CVE-2021-26857

KEV
Published: Mar 03, 2021 Last Modified: Ott 30, 2025 EU-VD ID: EUVD-2021-13641 Aliases: GSD-2021-26857
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,8
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,8
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

Microsoft Exchange Server Remote Code Execution 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
0,3454
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

502

Deserialization of Untrusted Data

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Application Data Unexpected State Dos: Resource Consumption (Cpu) Varies By Context
Applicable Platforms
Languages: Java, JavaScript, PHP, Python, Ruby
Technologies: AI/ML, ICS/OT, Not Technology-Specific
Likelihood of Exploit: Medium
View CWE Details
Application

Exchange Server by Microsoft

Product Information
Vendor Microsoft
Product Exchange Server
Version 2019
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*
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_8:*:*:*:*:*:*
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_17:*:*:*:*:*:*
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:sp1:*:*:*:*:*:*
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_3:*:*:*:*:*:*
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 2016
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
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_7:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Exchange Server by Microsoft

Product Information
Vendor Microsoft
Product Exchange Server
Version 2010
cpe:2.3:a:microsoft:exchange_server:2010:sp3:*:*:*:*:*:*
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:-:*:*:*:*:*:*
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 2016
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*
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_13:*:*:*:*:*:*
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_14:*:*:*:*:*:*
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_10:*:*:*:*:*:*
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_9:*:*:*:*:*:*
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_4:*:*:*:*:*:*
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_22:*:*:*:*:*:*
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_5:*:*:*:*:*:*
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_11:*:*:*:*:*:*
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_15:*:*:*:*:*:*
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_12:*:*:*:*:*:*
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_6:*:*:*:*:*:*
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
Application

Exchange Server by Microsoft

Product Information
Vendor Microsoft
Product Exchange Server
Version 2019
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*
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…
https://portal.msrc.microsoft.com/en-US/security-guidance/a…
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-268…
https://portal.msrc.microsoft.com/en-US/security-guidance/a…
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-268…