CVE-2024-47504 Junos OS: SRX5000 Series: Receipt of a specific malformed packet will cause a flowd crash
An unauthenticated attacker can cause a denial of service on Juniper SRX5000 devices by sending a specifically malformed packet.
- 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-2024-47504?
CVE-2024-47504 is a high-severity denial of service vulnerability in Juniper Junos, published on 11 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An Improper Validation of Specified Type of Input vulnerability in the packet forwarding engine (pfe) Juniper Networks Junos OS on SRX5000 Series allows an unauthenticated, network based attacker to cause a Denial of Service (Dos).
When a non-clustered SRX5000 device receives a specifically malformed packet this will cause a flowd crash and restart.
This issue affects Junos OS:
* 22.1 releases 22.1R1 and later before 22.2R3-S5, * 22.3 releases before 22.3R3-S4, * 22.4 releases before 22.4R3-S4, * 23.2 releases before 23.2R2-S2, * 23.4 releases before 23.4R2-S1, * 24.2 releases before 24.2R1-S1, 24.2R2.
Please note that the PR does indicate that earlier versions have been fixed as well, but these won't be adversely impacted by this.
Weakness: CWE-1287
Which versions are affected by CVE-2024-47504?
It affects 1 product.
Products include Juniper Junos.
How do I fix CVE-2024-47504?
No fix has been published for CVE-2024-47504 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-2024-47504 being exploited?
There is no known exploitation of CVE-2024-47504 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-4477-rpcx-r84q.