Executive Summary

Informations
Name CVE-2021-26855 First vendor Publication 2021-03-03
Vendor Cve Last vendor Modification 2024-02-15

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Overall CVSS Score 9.1
Base Score 9.1 Environmental Score 9.1
impact SubScore 5.2 Temporal Score 9.1
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Microsoft Exchange Server Remote Code Execution Vulnerability

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26855

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 24

SAINT Exploits

Description Link
Microsoft Exchange Server ProxyLogon vulnerability More info here

Metasploit Database

id Description
2021-03-02 Microsoft Exchange ProxyLogon Scanner
2021-03-02 Microsoft Exchange ProxyLogon RCE
2021-03-02 Microsoft Exchange ProxyLogon Collector

Sources (Detail)

Source Url
MISC http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbi...
http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Rem...
http://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthent...
http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Col...
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2...

Alert History

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Date Informations
2024-02-16 05:28:07
  • Multiple Updates
2023-12-29 21:27:57
  • Multiple Updates
2022-07-13 17:27:51
  • Multiple Updates
2022-05-07 00:23:14
  • Multiple Updates
2021-05-22 00:23:05
  • Multiple Updates
2021-05-21 21:23:26
  • Multiple Updates
2021-05-19 00:23:07
  • Multiple Updates
2021-05-04 14:08:19
  • Multiple Updates
2021-04-22 03:13:26
  • Multiple Updates
2021-03-26 13:23:03
  • Multiple Updates
2021-03-26 12:38:23
  • First insertion