Juniper Junos OS Evolved CLI command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Juniper Junos OS Evolved. The impacted element is an unknown function of the component CLI. Such manipulation leads to command injection. This vulnerability is referenced as CVE-2021-31358. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Juniper Junos OS Evolved (Router Operating System). Affected by this issue is an unknown functionality of the component CLI. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was published 10/20/2021 as JSA11221. The advisory is shared for download at kb.juniper.net. This vulnerability is handled as CVE-2021-31358 since 04/15/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading to version 20.4R2-S2-EVO, 21.1R2-EVO, 21.2R1-S1-EVO or 21.2R2-EVO eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

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 20.4R2-S2-EVO/21.1R2-EVO/21.2R1-S1-EVO/21.2R2-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-2021-31358 (🔍)
GCVE (CVE): GCVE-0-2021-31358
GCVE (VulDB): GCVE-100-185060

Entryinfo

Created: 10/20/2021 09:26
Updated: 10/27/2021 14:31
Changes: 10/20/2021 09:26 (50), 10/27/2021 14:31 (9)
Complete: 🔍
Cache ID: 216::103

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