What is CVE-2024-34487?

CVE-2024-34487 is a high-severity vulnerability in Facuet Ryu, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2024-05-05.

How severe is CVE-2024-34487?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2024-34487 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Facuet Ryu

CVE-2024-34487

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

Published 2024-05-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (50.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Facuet Ryu — versions 4.34

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

github.com/faucetsdn/ryu/issues/192 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2024-34487?: CVE-2024-34487 is a high-severity vulnerability in Facuet Ryu, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2024-05-05.
How severe is CVE-2024-34487?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-34487 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.