Juniper Junos OS/Junos OS Evolved Routing Protocol protection mechanism

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Juniper Junos OS and Junos OS Evolved. This impacts an unknown function of the component Routing Protocol Handler. Executing a manipulation can lead to protection mechanism. This vulnerability is tracked as CVE-2021-31362. The attack is only possible within the local network. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Juniper Junos OS and Junos OS Evolved (Router Operating System) (the affected version unknown) and classified as critical. This vulnerability affects an unknown part of the component Routing Protocol Handler. The manipulation with an unknown input leads to a protection mechanism vulnerability. The CWE definition for the vulnerability is CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. As an impact it is known to affect availability.

The weakness was disclosed 10/20/2021 as JSA11224. The advisory is available at kb.juniper.net. This vulnerability was named CVE-2021-31362 since 04/15/2021. The technical details are unknown and an exploit is not available.

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Productinfo

Type

Router Operating System

Vendor

Juniper

Name

License

commercial

Website

Vendor: https://www.juniper.net/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Protection mechanism
CWE: CWE-693
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/15/2021 🔍
10/20/2021 +188 days 🔍
10/20/2021 +0 days 🔍
10/27/2021 +7 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA11224
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-31362 (🔍)
GCVE (CVE): GCVE-0-2021-31362
GCVE (VulDB): GCVE-100-185062

Entryinfo

Created: 10/20/2021 09:29
Updated: 10/27/2021 14:42
Changes: 10/20/2021 09:29 (49), 10/27/2021 14:40 (2), 10/27/2021 14:42 (7)
Complete: 🔍
Cache ID: 216::103