CVE-2020-21998
In HomeAutomation 3.3.2 input passed via the 'redirect' GET parameter in 'api.php' script is not properly verified before being used to redirect users. This...
- Published
- Apr 27, 2021
- Updated
- Aug 4, 2024
- Assigning CNA
- mitre
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NLow · next 30 days
- Percentile
- 70.8%
- Model date
- Nov 2, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
In HomeAutomation 3.3.2 input passed via the 'redirect' GET parameter in 'api.php' script is not properly verified before being used to redirect users. This can be exploited to redirect a user to an arbitrary website e.g. when a user clicks a specially crafted link to the affected script hosted on a trusted domain.
Sources
http/cves/2020/CVE-2020-21998.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: regex($.matchers[*].type)
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