CVE-2021-21889 CRITICAL

CVE-2021-21889

Vendor N/A
Product Lantronix
Weakness CWE-121
Published December 22, 2021
Last update August 3, 2024
View on NVD All CVEs

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

December 22, 2021 CVE published
August 3, 2024 Record updated