Arbitrary Command Execution Vulnerability in Microsoft Exchange Server
CVE-2021-21877

9.1CRITICAL

Key Information:

Vendor

Lantronix

Status
Lantronix
Vendor
CVE Published:
22 December 2021

What is CVE-2021-21877?

An attacker can exploit a vulnerability in Microsoft Exchange Server by sending specially-crafted HTTP requests via the 'GET' method, leading to the potential execution of arbitrary commands. This requires the attacker to authenticate first, creating a vital security threat that could compromise the integrity of the affected systems.

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

.