Vulnerability · Published Aug 11, 2023 · Assigned by mitre
CVE-2020-35139
High 7.5
In plain English
A high-severity security flaw in the ryu package (PyPI). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.0%top 38.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An issue was discovered in OFPBundleCtrlMsg in parser.py in Faucet SDN Ryu version 4.34, allows remote attackers to cause a denial of service (DoS) (infinite loop).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | ryu | no fix listed | GHSA-4987-5p3p-9r27 |
| PyPI | ryu | no fix listed | PYSEC-2026-1876 |