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.

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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

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