CVE-2021-21890

Published: Dec 22, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-121

9.1CRITICAL

NVD MITRE

Description

A stack-based buffer overflow vulnerability exists in the Web Manager FsBrowseClean functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to remote code execution in the vulnerable portion of the branch (deletedir). An attacker can make an authenticated HTTP request to trigger this vulnerability.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:HPrivileges Required

High

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-121 CWE-787

Affected Products

lantronix

commercialaka premierwave 2050 firmware, eds5008 firmware, eds5016 firmware

premierwave 2050 firmwareEmbeddedFirmware

Networking Infrastructure

and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

View detailed technique mapping

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1334

talosintelligence.com

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