CVE-2020-11650
An issue was discovered in iXsystems FreeNAS 11.2 and 11.3 before 11.3-U1. It allows a denial of...
An issue was discovered in iXsystems FreeNAS (and TrueNAS) 11.2 before 11.2-u8 and 11.3 before 11.3-U1. It allows a denial of service. The login authentication component has no limits on the length of an authentication message or the rate at which such messages are sent.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in iXsystems FreeNAS (and TrueNAS) 11.2 before 11.2-u8 and 11.3 before 11.3-U1. It allows a denial of service. The login authentication component has no limits on the length of an authentication message or the rate at which such messages are sent.
- Record
CVE-2020-11650- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-307
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in iXsystems FreeNAS (and TrueNAS) 11.2 before 11.2-u8 and 11.3 before 11.3-U1. It allows a denial of service. The login authentication component has no limits on the length of an authentication message or the rate at which such messages are sent.
- Record
CVE-2020-11650- Updated
- 2026-11-02
EUVDEUVD-2020-3995 No score
An issue was discovered in iXsystems FreeNAS (and TrueNAS) 11.2 before 11.2-u8 and 11.3 before 11.3-U1. It allows a denial of service. The login authentication component has no limits on the length of an authentication message or the rate at which such messages are sent.
- Record
EUVD-2020-3995- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jr46-4q88-9hjx No score
An issue was discovered in iXsystems FreeNAS 11.2 and 11.3 before 11.3-U1. It allows a denial of...
An issue was discovered in iXsystems FreeNAS 11.2 and 11.3 before 11.3-U1. It allows a denial of service.
- Record
GHSA-jr46-4q88-9hjx- Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | weinull/CVE-2020-11650 | 2020-04-09 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-11650 is a high vulnerability (CVSS 7.5) in Ixsystems Freenas Firmware, published April 8, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.95%, the 87th percentile. No source names a fixed version.