CVE-2020-6803
Open redirect in Mozilla WebThings Gateway
An open redirect is present on the gateway's login page, which could cause a user to be redirected to a malicious site after logging in.
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
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Open redirect in Mozilla WebThings Gateway
An open redirect is present on the gateway's login page, which could cause a user to be redirected to a malicious site after logging in.
- Record
CVE-2020-6803- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
EUVDEUVD-2020-27949
An open redirect is present on the gateway's login page, which could cause a user to be redirected to a malicious site after logging in.
- Record
EUVD-2020-27949- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q76f-w8qm-ccrj No score
An open redirect is present on the gateway's login page, which could cause a user to be...
An open redirect is present on the gateway's login page, which could cause a user to be redirected to a malicious site after logging in.
- Record
GHSA-q76f-w8qm-ccrj- Updated
- 2026-11-02
NVD
An open redirect is present on the gateway's login page, which could cause a user to be redirected to a malicious site after logging in.
- Record
CVE-2020-6803- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-601
- 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-2020-6803 is a medium vulnerability (CVSS 5.4) in Mozilla Webthings Gateway, published February 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. No source names a fixed version.