Session Smart Router and Session Smart Conductor: Lack of integrity verification in cache files causes arbitrary code execution and privilege escalation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-103402
StatePUBLISHED
Assignerjuniper
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-28 17:17:24 UTC
Updated2026-10-28 17:17:24 UTC
DescriptionAn Insufficient Verification of Data Authenticity vulnerability in PCLI in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker with write access to the model cache directory to execute arbitrary code and escalate privileges via the processing of unverified cache files.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-345 | CWE-345 CWE-345 Insufficient Verification of Data Authenticity

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Juniper Networks Session Smart Router affected 7.0.5 custom Not specified
CNA Juniper Networks Session Smart Router affected 7.1.0 7.1.7 custom Not specified
CNA Juniper Networks Session Smart Router affected 7.2.0 7.2.3 custom Not specified
CNA Juniper Networks Session Smart Conductor affected 7.0.5 custom Not specified
CNA Juniper Networks Session Smart Conductor affected 7.1.0 7.1.7 custom Not specified
CNA Juniper Networks Session Smart Conductor affected 7.2.0 7.2.3 custom Not specified

References

ReferenceSourceLinkTags
supportportal.juniper.net/JSA112183 [email protected] supportportal.juniper.net
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: The following software releases of Session Smart Router and Session Smart Conductor 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

CNA: There are no known workarounds for this issue.

Exploits

CNA: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

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