Cyber Resilience

CVE-2020-35141

HighPublic PoCDDoS

Published: 11 August 2023

Published
11 August 2023
Modified
15 April 2025
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0026 49.5th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-35141 is a high-severity Infinite Loop (CWE-835) vulnerability in Faucet Ryu. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 49.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An issue was discovered in OFPQueueGetConfigReply in parser.py in Faucet SDN Ryu version 4.34, allows remote attackers to cause a denial of service (DoS) (infinite loop).

CWE(s)
CWE-835

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

faucet
ryu
4.34

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CP-7 Alternate Processing Site
addresses: CWE-835

Enables transfer to alternate site if an infinite loop at the primary renders processing unavailable.

SC-5 Denial-of-service Protection
addresses: CWE-835

Detects and mitigates infinite loops that produce sustained resource consumption.

References