CVE-2021-31349

Session Smart Router: Authentication Bypass Vulnerability

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The usage of an internal HTTP header created an authentication bypass vulnerability (CWE-287), allowing an attacker to view internal files, change settings, manipulate services and execute arbitrary code. This issue affects all Juniper Networks 128 Technology Session Smart Router versions prior to 4.5.11, and all versions of 5.0 up to and including 5.0.1.

El uso de un encabezado HTTP interno creó una vulnerabilidad de omisión de autenticación (CWE-287), que permite a un atacante visualizar archivos internos, cambiar la configuración, manipular servicios y ejecutar código arbitrario. Este problema afecta a todas las versiones de Juniper Networks 128 Technology Session Smart Router anteriores a 4.5.11 y a todas las versiones de la 5.0 hasta la 5.0.1 incluyéndola

*Credits: 128 Technology was notified via the JVN community of the vulnerability as JVN#85073657.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-04-15 CVE Reserved
2021-10-19 CVE Published
2024-09-16 CVE Updated
2024-09-24 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://kb.juniper.net/JSA11256	2022-10-25

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Juniper Search vendor "Juniper"	128 Technology Session Smart Router Firmware Search vendor "Juniper" for product "128 Technology Session Smart Router Firmware"	< 4.5.11 Search vendor "Juniper" for product "128 Technology Session Smart Router Firmware" and version " < 4.5.11"	-	Affected	in	Juniper Search vendor "Juniper"	128 Technology Session Smart Router Search vendor "Juniper" for product "128 Technology Session Smart Router"	-	-	Safe
Juniper Search vendor "Juniper"	128 Technology Session Smart Router Firmware Search vendor "Juniper" for product "128 Technology Session Smart Router Firmware"	>= 5.0.0 <= 5.0.1 Search vendor "Juniper" for product "128 Technology Session Smart Router Firmware" and version " >= 5.0.0 <= 5.0.1"	-	Affected	in	Juniper Search vendor "Juniper"	128 Technology Session Smart Router Search vendor "Juniper" for product "128 Technology Session Smart Router"	-	-	Safe