Input validation error in Microsoft Exchange Server - CVE-2021-26412
Published: March 3, 2021
Vulnerability identifier: #VU51174
CSH Severity: High
CVSS v4: 6.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H]
CVE-ID: CVE-2021-26412
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send specially crafted data to the Exchange server and execute arbitrary code on the system.
Affected software
Microsoft Exchange Server
How to mitigate CVE-2021-26412
Install updates from vendor's website.