CVE-2026-103409

Session Smart Router: An attacker obtains administrative privileges when an unauthenticated internal endpoint is accessed

At a glance

Severity
CRITICAL 9.8
State
PUBLISHED
Published
Updated
Assigner
juniper

Description

A Missing authentication for critical function vulnerability in Juniper Networks Session Smart Router allows an unauthenticated network-based attacker to obtain administrative privileges by passing crafted URL parameters to an insecure endpoint running as root. Note that this vulnerability can only be exploited prior to the device being onboarded to Mist/Conductor. The issue can no longer be exploited once a device is onboarded to Mist/Conductor.

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hjuniper

Weaknesses (CWE)

European references

Affected products

ProductVersions
Juniper Networks · Session Smart Routeraffected 0 < 7.0.5 ; affected 7.1.0 < 7.1.7 ; affected 7.2.0 < 7.2.3

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
ENISA EUVDENISA — reproduction authorised, source acknowledged