CVE-2020-18685
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 unchecked prerequisites related to TCP or UDP ports, or group or table IDs.
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 unchecked prerequisites related to TCP or UDP ports, or group or table IDs.
- Record
CVE-2020-18685- 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 unchecked prerequisites related to TCP or UDP ports, or group or table IDs.
- Record
CVE-2020-18685- Updated
- 2026-11-02
EUVDEUVD-2020-10609 No score
Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of unchecked prerequisites related to TCP or UDP ports, or group or table IDs.
- Record
EUVD-2020-10609- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5fp8-mw35-h972 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 unchecked prerequisites related to TCP or UDP ports, or group or table IDs.
- Record
GHSA-5fp8-mw35-h972- 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-2020-18685 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.