CVE-2019-11355

Severity Score

7.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in Poly (formerly Polycom) HDX 3.1.13. A feature exists that allows the creation of a server / client certificate, or the upload of the user certificate, on the administrator's page. The value received from the user is the factor value of a shell script on the equipment. By entering a special character (such as a single quote) in a CN or other CSR field, one can insert a command into a factor value. A system command can be executed as root.

Se detectó un problema en Poly (antes Polycom) HDX versión 3.1.13. Existe una funcionalidad que permite la creación de un certificado de servidor/cliente, o la carga del certificado de usuario, en la página del administrador. El valor recibido del usuario es el valor del factor de un script de shell en el equipo. Mediante la introducción de un carácter especial (tal y como una comilla simple) en un campo CN u otro CSR, puede ser insertado un comando en un valor del factor. Un comando de sistema puede ser ejecutado como root.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-04-19 CVE Reserved
2020-03-12 CVE Published
2024-08-04 CVE Updated
2025-05-22 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

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

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://support.polycom.com/content/dam/polycom-support/global/documentation/hdx-3-1-14-advisory.pdf	2020-03-18

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Polycom Search vendor "Polycom"		Hdx System Software Search vendor "Polycom" for product "Hdx System Software"				<= 3.1.13 Search vendor "Polycom" for product "Hdx System Software" and version " <= 3.1.13"		-		Affected