CVE-2024-47506 Junos OS: SRX Series: A large amount of traffic being processed by ATP Cloud can lead to a PFE crash
An unauthenticated attacker can cause a packet forwarding engine crash and restart by sending large amounts of traffic to ATP Cloud inspection.
- 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-2024-47506?
CVE-2024-47506 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
A Deadlock vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).
When a large amount of traffic is processed by ATP Cloud inspection, a deadlock can occur which will result in a PFE crash and restart. Whether the crash occurs, depends on system internal timing that is outside the attackers control.
This issue affects Junos OS on SRX Series:
* All versions before 21.3R3-S1, * 21.4 versions before 21.4R3, * 22.1 versions before 22.1R2, * 22.2 versions before 22.2R1-S2, 22.2R2.
Weakness: CWE-833
Which versions are affected by CVE-2024-47506?
It affects 1 product.
Products include Juniper Junos.
How do I fix CVE-2024-47506?
No fix has been published for CVE-2024-47506 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-2024-47506 being exploited?
There is no known exploitation of CVE-2024-47506 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-5w2p-jhh5-rpr3.