CVE-2024-34484 json
Ryu Infinite Loop vulnerability
published 2y ago modified 4mo ago also GHSA-c7w6-33j3-j3mx , PYSEC-2026-1880 , EUVD-2024-1570
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
OFPBucket in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via action.len=0.
Is CVE-2024-34484 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2y ago
Exploit prediction
0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/faucetsdn/ryu/issues/194 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | ryu | <=4.34 |
no fix listed |
Classification
- Weakness
-
- CWE-835 Loop with Unreachable Exit Condition
References
-
github.com
/faucetsdn/ryu/issues/194
web, exploit, issue-tracking, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2024-34484
advisory
-
github.com
/faucetsdn/ryu
package
-
pypi.org
/project/ryu
package
-
github.com
/advisories/GHSA-c7w6-33j3-j3mx
advisory
Sources
- CVE List CVE-2024-34484
- GitHub Advisory GHSA-c7w6-33j3-j3mx
- NVD CVE-2024-34484
- OSV PYSEC-2026-1880
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.