CVE-2021-21879

CVSS 3.1: 8.8 high
EPSS: 4%p90
Published: Dec 22, 2021 · Dec 22, 2021
Modified: Jun 17, 2026

Analyze CVE-2021-21879 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Description · NVD

A directory traversal vulnerability exists in the Web Manager File Upload functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to arbitrary file overwrite. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Vendors: lantronix

Products: premierwave 2050

Weakness: CWE-22

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (3.8%)

In the news

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Vulnerability Spotlight: Vulnerabilities in Lantronix PremierWave 2050 could lead to code execution, file deletion

Cisco TalosNov 15, 19:19 UTC · Nov 15, 2021VulnerabilityExploitedCVE-2021-21872 CVE-2021-21873 CVE-2021-21875+183 · 1 read