---
id: CVE-2026-103394
title: >-
  Session Smart Router: An incomplete operator causes the use of incorrect
  encryption keys during security policy updates.
summary: >-
  An Improper Initialization vulnerability in the SSR software in Juniper
  Networks Session Smart Router allows an attacker to decrypt traffic or cause a
  denial of service via security policy assignment.
severity: low
cvss: 3.7
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'
cvssSource: cna
cwe:
  - CWE-665
vendor: Juniper Networks
product: Session Smart Router
affected:
  - session_smart_router < 7.0.5
  - session_smart_router >= 7.1.0 < 7.1.7
  - session_smart_router >= 7.2.0 < 7.2.3
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-29T01:37:52.120519Z'
published: '2026-10-28'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T01:52:03.984Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-103394'
references:
  - url: 'https://supportportal.juniper.net/JSA112183'
tags:
  - cve.org
epss: 0.00314
epssPercentile: 0.24383
ingestedAt: '2026-10-28T17:14:44.490Z'
---

## Overview

An Improper Initialization vulnerability in the SSR software in Juniper Networks Session Smart Router allows an attacker to decrypt traffic or cause a denial of service via security policy assignment.

## Affected

- `session_smart_router < 7.0.5`
- `session_smart_router >= 7.1.0 < 7.1.7`
- `session_smart_router >= 7.2.0 < 7.2.3`

## Remediation

The following software releases of Session Smart Router have been updated to resolve these specific issues:
  *  7.0.5 

and all subsequent releases;
  *  7.1.7 

and all subsequent releases;
  *  7.2.3 and all subsequent releases.

### Workarounds

There are no known workarounds for this issue.