CVE-2024-34489

Name: CVE-2024-34489
Creator: NVD / NIST
Published: 2024-05-05T03:15:07.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2024-34489 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. OFPHello in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via length=0.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

OFPHello in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via length=0.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.68%

47.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions
Facuet	Ryu	4.34

References

https://github.com/faucetsdn/ryu/issues/195Exploit, Issue Tracking, Vendor Advisory
https://github.com/faucetsdn/ryu/issues/195Exploit, Issue Tracking, Vendor Advisory

Timeline

Published: May 5, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-34489?

OFPHello in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via length=0.

How severe is CVE-2024-34489?

CVE-2024-34489 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2024-34489?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-34489?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST