Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-21888

Severity CVSS v4.0:
Pending analysis
Type:
CWE-78 OS Command Injections
Publication date:
22/12/2021
Last modified:
28/04/2022

Description

An OS command injection vulnerability exists in the Web Manager SslGenerateCertificate functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.10 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.10
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.00 HIGH
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
9.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4:*:*:*:*:*:*
cpe:2.3:h:lantronix:premierwave_2050:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools