CVE-2018-4842

Severity Score

4.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability has been identified in SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.4.1), SCALANCE X-200RNA switch family (All versions < V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions < V4.1.3). A remote, authenticated attacker with access to the configuration web server could be able to store script code on the web site, if the HRP redundancy option is set. This code could be executed in the web browser of victims visiting this web site (XSS), affecting its confidentiality, integrity and availability. User interaction is required for successful exploitation, as the user needs to visit the manipulated web site. At the stage of publishing this security advisory no public exploitation is known. The vendor has confirmed the vulnerability and provides mitigations to resolve it.

Se ha identificado una vulnerabilidad en la familia de conmutadores SCALANCE X-200IRT (incluidas las variantes SIPLUS NET) (todas las versiones inferiores a la versión V5.4.1), la familia de conmutadores SCALANCE X-300 (incluidas las variantes X408 y SIPLUS NET) (todas las versiones inferiores a la versión V4.1.3 ) Un atacante remoto y autenticado con acceso al servidor web de configuración podría almacenar el código del script en el sitio web, si la opción de redundancia HRP está configurada. Este código podría ejecutarse en el navegador web de las víctimas que visitan este sitio web (XSS), afectando su confidencialidad, integridad y disponibilidad. La interacción del usuario es necesaria para una explotación exitosa, ya que el usuario debe visitar el sitio web manipulado. En la etapa de publicación de este aviso de seguridad no se conoce explotación pública. El proveedor ha confirmado la vulnerabilidad y proporciona mitigaciones para resolverla.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-01-02 CVE Reserved
2018-06-14 CVE Published
2024-04-23 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (2)

URL	Tag	Source
https://www.securityfocus.com/bid/104494	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://cert-portal.siemens.com/productcert/pdf/ssa-480829.pdf	2022-12-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Siemens Search vendor "Siemens"	Scalance X200irt Firmware Search vendor "Siemens" for product "Scalance X200irt Firmware"	< 5.4.1 Search vendor "Siemens" for product "Scalance X200irt Firmware" and version " < 5.4.1"	-	Affected	in	Siemens Search vendor "Siemens"	Scalance X200 Irt Search vendor "Siemens" for product "Scalance X200 Irt"	-	-	Safe
Siemens Search vendor "Siemens"	Scalance X300 Firmware Search vendor "Siemens" for product "Scalance X300 Firmware"	-	-	Affected	in	Siemens Search vendor "Siemens"	Scalance X300 Search vendor "Siemens" for product "Scalance X300"	-	-	Safe
Siemens Search vendor "Siemens"	Scalance X200 Firmware Search vendor "Siemens" for product "Scalance X200 Firmware"	< 5.2.3 Search vendor "Siemens" for product "Scalance X200 Firmware" and version " < 5.2.3"	-	Affected	in	Siemens Search vendor "Siemens"	Scalance X200 Search vendor "Siemens" for product "Scalance X200"	-	-	Safe