Directory Traversal Vulnerability in Lantronix PremierWave 2050
CVE-2021-21879

9.9CRITICAL

Key Information:

Vendor

Lantronix

Status
Lantronix
Vendor
CVE Published:
22 December 2021

What is CVE-2021-21879?

A directory traversal vulnerability is present in the Web Manager File Upload feature of the Lantronix PremierWave 2050. An authenticated attacker can exploit this flaw by sending a specially-crafted HTTP request, potentially resulting in an arbitrary file overwrite. This exposure may enable the unauthorized modification of essential system files, affecting the integrity and availability of the system.

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:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.