Juniper Networks Session Smart Router/Session Smart Conductor up to 7.0.4/7.1.6/7.2.2 ConfigDirector path traversal

Summaryinfo

A vulnerability classified 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 ConfigDirector. This manipulation causes path traversal. This vulnerability is registered as CVE-2026-103407. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Juniper Networks Session Smart Router and Session Smart Conductor up to 7.0.4/7.1.6/7.2.2 and classified as very critical. Affected by this vulnerability is some unknown processing of the component ConfigDirector. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An Improper Limitation of a Pathname to a Restricted Directory vulnerability in ConfigDirector in Juniper Networks Session Smart Router and Session Smart Conductor allows an authenticated REST user to read, overwrite, or delete arbitrary certificate and key files on the host filesystem via the certificate and private-key REST API.

It is possible to read the advisory at supportportal.juniper.net. This vulnerability is known as CVE-2026-103407 since 09/30/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/28/2026). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Entryinfo

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