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Microsoft CVE-2021-26855: Microsoft Exchange Server Remote Code Execution Vulnerability (HAFNIUM Exploited)

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Microsoft CVE-2021-26855: Microsoft Exchange Server Remote Code Execution Vulnerability (HAFNIUM Exploited)

Severity
7
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
03/02/2021
Created
03/03/2021
Added
03/02/2021
Modified
01/03/2024

Description

There exists a server-side request forgery (SSRF) vulnerability in Exchange which allows the attacker to send arbitrary HTTP requests and authenticate as the Exchange server.

Solution(s)

  • msft-kb5000871-22fec8f5-e504-4971-a880-88bab21a1f37
  • msft-kb5000871-28c56acf-f5f1-4a92-900d-0de0c58d61a4
  • msft-kb5000871-82a6c7b8-34c1-4d23-879a-8b5963acc47d
  • msft-kb5000871-c6ed44ca-634b-4b5c-91ba-12232d8ec98e

References

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