CVE-2024-2973: critical vulnerability in Juniper Networks Session Smart Router
Session Smart Router(SSR): On redundant router deployments API authentication can be bypassed
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 10epss 1.1%
An Authentication Bypass Using an Alternate Path or Channel vulnerability in Juniper Networks Session Smart Router or conductor running with a redundant peer allows a network based attacker to bypass authentication and take full control of the device.
Only routers or conductors that are running in high-availability redundant configurations are affected by this vulnerability.
No other Juniper Networks products or platforms are affected by this issue.
This issue affects:
Session Smart Router:
* All versions before 5.6.15,
* from 6.0 before 6.1.9-lts,
* from 6.2 before 6.2.5-sts.
Session Smart Conductor:
* All versions before 5.6.15,
* from 6.0 before 6.1.9-lts,
* from 6.2 before 6.2.5-sts.
WAN Assurance Router:
* 6.0 versions before 6.1.9-lts,
* 6.2 versions before 6.2.5-sts.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/V:C/RE:M/U:Red
Affected products
Juniper Networks · Session Smart ConductorJuniper Networks · Session Smart RouterJuniper Networks · WAN Assurance RouterRelated CVEs — Juniper Networks Session Smart Router
In the same product, most dangerous first.
CVE-2025-21589CRITICALSession Smart Router, Session Smart Conductor, WAN Assurance Router: API Authentication Bypass vulnerabilityEPSS 1.5%CVE-2026-106079HIGHSession Smart Router and Session Smart Conductor: Improper validation of a field causes privilege escalation when updating the YANG configurationEPSS 1.2%CVE-2026-103403HIGHSession Smart Router and Session Smart Conductor: Unvalidated input causes arbitrary file deletion and command execution when deleting audit rulesEPSS 1.2%CVE-2026-103406CRITICALSession Smart Conductor: An unauthenticated attacker causes arbitrary command execution during key management.EPSS 0.5%CVE-2026-103390MEDIUMSession Smart Router and Session Smart Conductor: A malformed HTTP URI causes a service crash during HTTP application identificationEPSS 0.4%CVE-2026-103409CRITICALSession Smart Router: An attacker obtains administrative privileges when an unauthenticated internal endpoint is accessedEPSS 0.3%