CVE-2020-24377
A DNS rebinding vulnerability in the Freebox OS web interface in Freebox Server before 4.2.3.
A DNS rebinding vulnerability in the Freebox OS web interface in Freebox Server before 4.2.3.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A DNS rebinding vulnerability in the Freebox OS web interface in Freebox Server before 4.2.3.
- Record
CVE-2020-24377- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
A DNS rebinding vulnerability in the Freebox OS web interface in Freebox Server before 4.2.3.
- Record
CVE-2020-24377- Updated
- 2026-11-02
EUVDEUVD-2020-17109 No score
A DNS rebinding vulnerability in the Freebox OS web interface in Freebox Server before 4.2.3.
- Record
EUVD-2020-17109- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-86qf-2vwh-94x2
A DNS rebinding vulnerability in the Freebox OS web interface in Freebox Server before 4.2.3.
A DNS rebinding vulnerability in the Freebox OS web interface in Freebox Server before 4.2.3.
- Record
GHSA-86qf-2vwh-94x2- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - 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-2020-24377 is a critical vulnerability (CVSS 9.6) in Free Freebox Delta Firmware, published September 16, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.19%, the 68th percentile. No source names a fixed version.