CVE-2026-103400
Session Smart Router and Session Smart Conductor: Crafted directory names cause arbitrary filesystem unmounting during service cleanup
Juniper Networks Session Smart RouterNetwork & edge
CVSS
5.5MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
What fixes it
- 7.0.5Session Smart RouterCVE List
- 7.1.7Session Smart RouterCVE List
- 7.2.3Session Smart RouterCVE List
- 7.0.5Session Smart ConductorCVE List
- 7.1.7Session Smart ConductorCVE List
- 7.2.3Session Smart ConductorCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Description
An Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the ember service in Juniper Networks Session Smart Router and Session Smart Conductor allows an attacker with local access to unmount arbitrary filesystems or cause a denial of service via the creation of specially named directories and a service restart.
Text from CVE List
Affected versions 6
- Session Smart Routeraffected: all versions before 7.0.5CVE List
- Session Smart Routeraffected: 7.1.0 before 7.1.7CVE List
- Session Smart Routeraffected: 7.2.0 before 7.2.3CVE List
- Session Smart Conductoraffected: all versions before 7.0.5CVE List
- Session Smart Conductoraffected: 7.1.0 before 7.1.7CVE List
- Session Smart Conductoraffected: 7.2.0 before 7.2.3CVE List