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CVE
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CVE-2021-34523Date: (C)2021-07-16   (M)2024-03-26


Microsoft Exchange Server Elevation of Privilege Vulnerability

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.0CVSS Score : 7.5
Exploit Score: 2.5Exploit Score: 10.0
Impact Score: 5.8Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: CHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: NONE 
  
Reference:
http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523
https://www.zerodayinitiative.com/advisories/ZDI-21-822/

CWE    1
CWE-287
OVAL    2
oval:org.secpod.oval:def:73828
oval:org.secpod.oval:def:70937

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