Arbitrary Command Execution in Microsoft Exchange Server
CVE-2021-21875

9.1CRITICAL

Key Information:

Vendor

Lantronix

Status
Lantronix
Vendor
CVE Published:
22 December 2021

What is CVE-2021-21875?

A vulnerability in Microsoft Exchange Server allows an authenticated attacker to send specially-crafted HTTP requests that can lead to arbitrary command execution. This poses a serious security risk as it enables potential attackers to execute commands on the server, which could compromise sensitive data or disrupt services. It is crucial for organizations to apply the necessary security patches to mitigate this risk.

Affected Version(s)

Lantronix Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2021-21875 : Arbitrary Command Execution in Microsoft Exchange Server