OFPFlowStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of…
Priority HIGH 72CWE-835Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-835.
Summary
OFPFlowStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via inst.length=0.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00687 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | ryu (PyPI) | up to 4.34 | — | No fix listed | GHSA-m9vm-8mv9-v5v3 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- ryu (PyPI) Vendor— Affected up to 4.34 Fixed in — No fix listed GHSA-m9vm-8mv9-v5v3
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-34487
- 2026-10-03 Alias added: GHSA-m9vm-8mv9-v5v3
References
More Facuet Ryu vulnerabilities
- TI-2024-22816 OFPMultipartReply in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial… CVSS 3.1HIGH 7.5
- TI-2024-22814 OFPPacketQueue in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of… CVSS 3.1HIGH 7.5
- TI-2024-22812 OFPGroupDescStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial… CVSS 3.1HIGH 7.5
- TI-2024-18971 An issue was discovered in OFPMatch in parser.py in Faucet SDN Ryu version 4.34, allows… CVSS 3.1HIGH 7.5
- TI-2024-22817 OFPHello in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via length=0. CVSS 3.1HIGH 7.5
- TI-2024-22813 OFPBucket in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2024-34487 · CVE Program
- CVE-2024-34487 · NVD
- FIRST EPSS
- GHSA-m9vm-8mv9-v5v3 · GitHub Advisory Database · CC BY 4.0
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