CVE-2026-103394 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Juniper	Session Smart Router

No data.

No data.

References

Link	Providers
https://supportportal.juniper.net/JSA112183

History

Thu, 29 Oct 2026 02:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 28 Oct 2026 22:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Juniper Juniper session Smart Router
Vendors & Products		Juniper Juniper session Smart Router

Wed, 28 Oct 2026 16:45:00 +0000

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		https://supportportal.juniper.net/JSA112183
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'}`

MITRE

Status: PUBLISHED

Assigner: juniper

Published: 2026-10-28T16:34:16.486Z

Updated: 2026-10-29T01:52:03.984Z

Reserved: 2026-09-30T14:27:56.629Z

Link: CVE-2026-103394

Vulnrichment

Updated: 2026-10-29T01:48:54.851Z

NVD

Status : Awaiting Analysis

Published: 2026-10-28T17:17:23.177

Modified: 2026-10-29T02:16:45.430

Link: CVE-2026-103394

Redhat

No data.

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