Juniper Junos OS on EX2300/EX3400/EX4300 Aggregated Ethernet Interface resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Juniper Junos OS on EX2300/EX3400/EX4300. The impacted element is an unknown function of the component Aggregated Ethernet Interface. The manipulation leads to resource consumption. This vulnerability is listed as CVE-2021-31365. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Juniper Junos OS on EX2300/EX3400/EX4300 (Router Operating System) (version now known). It has been rated as critical. This issue affects some unknown processing of the component Aggregated Ethernet Interface. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.

The weakness was presented 10/20/2021 as JSA11227. The advisory is shared at kb.juniper.net. The identification of this vulnerability is CVE-2021-31365 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: 7.0
VulDB Meta Temp Score: 6.9

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

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / 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: JSA11227
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-31365 (🔍)
GCVE (CVE): GCVE-0-2021-31365
GCVE (VulDB): GCVE-100-185093

Entryinfo

Created: 10/20/2021 11:15
Updated: 10/27/2021 20:57
Changes: 10/20/2021 11:15 (50), 10/27/2021 20:57 (2)
Complete: 🔍
Cache ID: 216::103

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