CVE-2024-47506

Junos OS: SRX Series: A large amount of traffic being processed by ATP Cloud can lead to a PFE crash

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.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: 21.3R3-S1, 21.4R3, 22.1R2, 22.2R1-S2, 22.2R2, 22.3R1, and all subsequent releases.

Workaround:

  • There are no known workarounds for this issue.

Category

8.2
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.09%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
https://supportportal.juniper.net/JSA88137 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-47506?
CVE-2024-47506 has been scored as a high severity vulnerability.
How to fix CVE-2024-47506?
To fix CVE-2024-47506: The following software releases have been updated to resolve this specific issue: 21.3R3-S1, 21.4R3, 22.1R2, 22.2R1-S2, 22.2R2, 22.3R1, and all subsequent releases.
Is CVE-2024-47506 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-47506 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-47506?
CVE-2024-47506 affects Juniper Networks Junos OS.
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