CVE-2021-21883 : An OS command injection vulnerability exists in the Web Manager Diagnostics: Ping functionality of Lantronix PremierWave

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

Published 2021-12-22 19:15:09

Updated 2022-04-28 19:35:55

Source Talos

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-21883

EPSS FAQ

0.30%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 70 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21883

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
9.0	HIGH	AV:N/AC:L/Au:S/C:C/I:C/A:C	8.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
9.9	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	3.1	6.0	Talos
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High
9.9	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	3.1	6.0	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-21883

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Assigned by:

nvd@nist.gov (Primary)
talos-cna@cisco.com (Secondary)

Products affected by CVE-2021-21883

Lantronix » Premierwave 2050 Firmware » Version: 8.9.0.0 Update R4
cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4:*:*:*:*:*:*
Matching versions
When used together with: Lantronix » Premierwave 2050 » Version: N/A

Vulnerability Details : CVE-2021-21883

Exploit prediction scoring system (EPSS) score for CVE-2021-21883

CVSS scores for CVE-2021-21883

CWE ids for CVE-2021-21883

References for CVE-2021-21883

Products affected by CVE-2021-21883