VDB-168032 · CVE-2021-0206 · JSA11096

Juniper Junos Packet Forwarding Engine denial of service

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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Juniper Junos and classified as problematic. The impacted element is an unknown function of the component Packet Forwarding Engine. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2021-0206. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Juniper Junos (Router Operating System) (the affected version is unknown). Affected by this issue is an unknown code of the component Packet Forwarding Engine. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was disclosed 01/16/2021 as JSA11096. The advisory is shared for download at kb.juniper.net. This vulnerability is handled as CVE-2021-0206. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Router Operating System

Vendor

Juniper

Name

Junos

License

commercial

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

10/27/2020 🔍
01/16/2021 +81 days 🔍
01/16/2021 +0 days 🔍
02/14/2021 +29 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA11096
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-0206 (🔍)
GCVE (CVE): GCVE-0-2021-0206
GCVE (VulDB): GCVE-100-168032

Entryinfo

Created: 01/16/2021 09:03
Updated: 02/14/2021 22:41
Changes: 01/16/2021 09:03 (38), 02/14/2021 22:35 (6), 02/14/2021 22:41 (8)
Complete: 🔍
Cache ID: 216::103