CVE-2021-34523

KEV
Published: Lug 14, 2021 Last Modified: Ott 30, 2025
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,0
Attack Vector: local
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: none
HIGH 7,5
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

Microsoft Exchange Server Elevation of Privilege 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
0,9400
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

Application

Exchange Server by Microsoft

cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Exchange Server by Microsoft

cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Exchange Server by Microsoft

cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Exchange Server by Microsoft

cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Exchange Server by Microsoft

cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remot…
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-345…
https://www.zerodayinitiative.com/advisories/ZDI-21-822/
http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remot…
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-345…
https://www.zerodayinitiative.com/advisories/ZDI-21-822/