What’s Vulnerable › Vulnerabilities

CVE-2020-6803: Open redirect in Mozilla WebThings Gateway

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-28 · updated 2026-06-17
• Weakness: CWE-601

Description

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.

Affected products

• Mozilla WebThings Gateway: before 2020-02-26 — fixed in 2020-02-26

How to fix

Upgrade to a fixed version: Mozilla WebThings Gateway 2020-02-26. Check the vendor advisory for mitigations.

References

• https://github.com/mozilla-iot/gateway/pull/2446
• https://github.com/mozilla-iot/gateway/pull/2446

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