CVE-2024-30409 Junos OS and Junos OS Evolved: Higher CPU consumption on routing engine leads to Denial of Service (DoS).
An authenticated attacker can crash the telemetry daemon, causing a limited denial of service on Juniper Junos OS devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-30409?
CVE-2024-30409 is a medium-severity denial of service vulnerability in Juniper Junos, published on 12 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An Improper Check for Unusual or Exceptional Conditions vulnerability in telemetry processing of Juniper Networks Junos OS and Junos OS Evolved allows a network-based authenticated attacker to cause the forwarding information base telemetry daemon (fibtd) to crash, leading to a limited Denial of Service.
This issue affects Juniper Networks
Junos OS: * from 22.1 before 22.1R1-S2, 22.1R2.
Junos OS Evolved: * from 22.1 before 22.1R1-S2-EVO, 22.1R2-EVO.
Weakness: CWE-754
Which versions are affected by CVE-2024-30409?
It affects 2 products.
Products include Juniper Junos, Juniper Junos Os Evolved.
How do I fix CVE-2024-30409?
No fix has been published for CVE-2024-30409 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-30409 being exploited?
There is no known exploitation of CVE-2024-30409 in the wild and no public exploit code.
Other vulnerabilities in Juniper Junos
- CVE-2023-36845 Juniper Junos OS EX Series and SRX Series PHP External Variable Modification
- CVE-2020-1631 Juniper Junos OS Path Traversal
- CVE-2025-21590 Juniper Junos OS Improper Isolation or Compartmentalization
- CVE-2023-36851 Juniper Junos OS SRX Series Missing Authentication for Critical Function
- CVE-2023-36844 Juniper Junos OS EX Series PHP External Variable Modification
Sources
Also known as GHSA-474g-v543-635g.