CVE-2020-18683
Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource...
Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of undefined fields mishandling.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of undefined fields mishandling.
- Record
CVE-2020-18683- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of undefined fields mishandling.
- Record
CVE-2020-18683- Updated
- 2026-11-02
EUVDEUVD-2020-10607 No score
Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of undefined fields mishandling.
- Record
EUVD-2020-10607- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4jcq-j72x-838f No score
Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource...
Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of undefined fields mishandling.
- Record
GHSA-4jcq-j72x-838f- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-18683 is a critical vulnerability (CVSS 9.8) in Atlassian Floodlight, published September 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.29%, the 70th percentile. No source names a fixed version.