Juniper Junos OS Evolved prior 20.4R3-S1/21.1-EVO/21.2-EVO CLI command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Juniper Junos OS Evolved. It has been declared as critical. Impacted is an unknown function of the component CLI. The manipulation results in command injection. This vulnerability was named CVE-2021-31356. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Juniper Junos OS Evolved (Router Operating System). Affected is some unknown processing of the component CLI. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 10/20/2021 as JSA11221. The advisory is available at kb.juniper.net. This vulnerability is traded as CVE-2021-31356 since 04/15/2021. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 20.4R3-S1, 21.1-EVO or 21.2-EVO eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: 🔍

Upgrade: Junos OS Evolved 20.4R3-S1/21.1-EVO/21.2-EVO

Timelineinfo

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

Sourcesinfo

Vendor: juniper.net

Advisory: JSA11221
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-31356 (🔍)
GCVE (CVE): GCVE-0-2021-31356
GCVE (VulDB): GCVE-100-185058

Entryinfo

Created: 10/20/2021 09:23
Updated: 10/27/2021 14:20
Changes: 10/20/2021 09:23 (50), 10/27/2021 14:16 (2), 10/27/2021 14:20 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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