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Exploits
ID:8267 - Exploit for Input validation error in Microsoft Exchange Server - CVE-2021-42321
ID:8267 - Exploit for Input validation error in Microsoft Exchange Server - CVE-2021-42321
Published: August 19, 2022
Vulnerability identifier: #VU58055
Vulnerability risk: Critical
CVE-ID: CVE-2021-42321
CWE-ID: CWE-20
Exploitation vector: Remote access
Vulnerable software:
Microsoft Exchange Server
Microsoft Exchange Server
Link to public exploit:
Vulnerability description
The vulnerability allows a remote user to compromise the affected system.
The vulnerability exists due to insufficient validation of cmdlet arguments. A remote user can run a specially crafted cmdlet and execute arbitrary commands on the system.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install updates from vendor's website.