How severe is CVE-2024-34489?

CVE-2024-34489 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-34489 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-34489?

CVE-2024-34489 affects Facuet Ryu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-34489?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-34489 have an EU (EUVD) identifier?

Yes. CVE-2024-34489 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1436.

When was CVE-2024-34489 published?

CVE-2024-34489 was published on 2024-05-05 and last updated on 2026-06-17.

CVE-2024-34489

CVE-2024-34489 is a high-severity vulnerability in Facuet Ryu with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-835.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-1436
Weakness: CWE-835
Affected product: Facuet Ryu
Published: 2024-05-05
Last modified: 2026-06-17

Description

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

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 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-34489 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-34489?: CVE-2024-34489 affects Facuet Ryu. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-34489?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-34489 have an EU (EUVD) identifier?: Yes. CVE-2024-34489 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1436.
When was CVE-2024-34489 published?: CVE-2024-34489 was published on 2024-05-05 and last updated on 2026-06-17.

References

https://github.com/faucetsdn/ryu/issues/195

Affected products (1)

cpe:2.3:a:facuet:ryu:4.34:*:*:*:*:*:*:*

More vulnerabilities in Facuet Ryu

CVE-2024-34488 — High (CVSS 7.5): OFPMultipartReply in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via…
CVE-2024-34487 — High (CVSS 7.5): OFPFlowStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via…
CVE-2024-34486 — High (CVSS 7.5): OFPPacketQueue in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via…
CVE-2024-34483 — High (CVSS 7.5): OFPGroupDescStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via…
CVE-2024-28732 — High (CVSS 7.5): An issue was discovered in OFPMatch in parser.py in Faucet SDN Ryu version 4.34, allows remote attackers to cause a…
CVE-2024-34484 — Medium (CVSS 5.3): OFPBucket in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via…

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