Juniper Networks Session Smart Router/Session Smart Conductor up to 7.0.4/7.1.6/7.2.2 AccessManager os command injection

Summaryinfo

A vulnerability labeled as very critical has been found in Juniper Networks Session Smart Router and Session Smart Conductor up to 7.0.4/7.1.6/7.2.2. This vulnerability affects unknown code of the component AccessManager. The manipulation results in os command injection. This vulnerability is identified as CVE-2026-103403. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Juniper Networks Session Smart Router and Session Smart Conductor up to 7.0.4/7.1.6/7.2.2. It has been classified as very critical. Affected is an unknown part of the component AccessManager. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in AccessManager in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker to perform arbitrary file deletion and arbitrary command execution via the deletion of an audit rule.

The advisory is available at supportportal.juniper.net. This vulnerability is traded as CVE-2026-103403 since 09/30/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 10/28/2026). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 7.0.5, 7.1.7 or 7.2.3 eliminates this vulnerability.

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Productinfo

Type

• Router Operating System

Vendor

• Juniper Networks

Name

• Session Smart Conductor
• Session Smart Router

Version

• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.1.0
• 7.1.1
• 7.1.2
• 7.1.3
• 7.1.4
• 7.1.5
• 7.1.6
• 7.2.0
• 7.2.1
• 7.2.2

License

• commercial

CPE 2.3info

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CPE 2.2info

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