Floodlight through 1.2 has poor input validation in checkFlow in…
Priority MEDIUM 45CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of undefined fields mishandling.
Why it matters now
EPSS 0.01292 70th 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
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-18683
- 2026-10-03 Alias added: GHSA-4jcq-j72x-838f
References
More Atlassian Floodlight vulnerabilities
- TI-2020-13436 Floodlight through 1.2 has poor input validation in checkFlow in… CVSS 3.1CRITICAL 9.8
- TI-2020-13435 Floodlight through 1.2 has an integer overflow in checkFlow in… CVSS 3.1CRITICAL 9.8
- TI-2015-05512 Race condition in the LoadBalancer module in the Atlassian Floodlight Controller before… CVSS 3.0MEDIUM 5.9
Sources
- CVE-2020-18683 · CVE Program
- CVE-2020-18683 · NVD
- FIRST EPSS
- GHSA-4jcq-j72x-838f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences