CVE-2024-47506

MEDIUM
Published Oct 11, 2024 Modified Jan 26, 2026 CWE-833

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.

CVSS v3.1 Score

5.9
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-833 CWE-833

Affected Products

Vendor Product
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper junos
juniper srx1500
juniper srx1600
juniper srx2300
juniper srx300
juniper srx320
juniper srx340
juniper srx345
juniper srx380
juniper srx4100
juniper srx4120
juniper srx4200
juniper srx4300
juniper srx4600
juniper srx4700
juniper srx5400
juniper srx5600
juniper srx5800

References

Frequently Asked Questions

What is CVE-2024-47506? +
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. It has a CVSS v3.1 base score of 5.9 (MEDIUM).
How severe is CVE-2024-47506? +
CVE-2024-47506 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-47506? +
CVE-2024-47506 affects products from juniper, specifically: junos, srx1500, srx1600, srx2300, srx300, srx320, srx340, srx345, srx380, srx4100, srx4120, srx4200, srx4300, srx4600, srx4700, srx5400, srx5600, srx5800. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-47506? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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