Juniper Junos OS 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 (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Juniper Junos OS and classified as problematic. Impacted is an unknown function of the component Packet Forwarding Engine. The manipulation leads to denial of service. This vulnerability is traded as CVE-2021-31376. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Juniper Junos OS (Router Operating System) (the affected version unknown). This issue affects an unknown part 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 shared 10/20/2021 as JSA11241. The advisory is shared at kb.juniper.net. The identification of this vulnerability is CVE-2021-31376 since 04/15/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

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

CNA Base Score: 7.5
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

AVACAuCIA
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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: 🔍

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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: JSA11241
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-31376 (🔍)
GCVE (CVE): GCVE-0-2021-31376
GCVE (VulDB): GCVE-100-185069

Entryinfo

Created: 10/20/2021 09:44
Updated: 10/27/2021 15:19
Changes: 10/20/2021 09:44 (49), 10/27/2021 15:13 (2), 10/27/2021 15:19 (7)
Complete: 🔍
Cache ID: 216::103

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