CVE-2026-103394

Session Smart Router: An incomplete operator causes the use of incorrect encryption keys during security policy updates.

Published Oct 28, 2026 CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

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.


Vendor Workaround

There are no known workarounds for this issue.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Juniper
Juniper session Smart Router
Vendors & Products Juniper
Juniper session Smart Router
Type Values Removed Values Added
Description 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.
Title Session Smart Router: An incomplete operator causes the use of incorrect encryption keys during security policy updates.
Weaknesses CWE-665
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
juniper
Published
Updated
Oct 29, 2026, 1:52 AM
Reserved
Sep 30, 2026, 2:27 PM
Status
Awaiting Analysis
Published
Oct 28, 2026, 5:17 PM
Modified
Oct 29, 2026, 2:16 AM