ShadowTrackr

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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 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.
6.1
CVSS
1.2
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionActive
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityLow
IntegrityLow
AvailabilityNone
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusUnavailable

Change Log
DateSourceChangesScore
2026-07-21nucleiE: U→P0.5 → 1.2
2026-07-21nvdAV: P→N, AC: H→L, PR: H→N, VC: N→L, VI: N→L0.0 → 0.5
2026-07-21cve.orginitial, patch: Unavailable0.0

Affected Software
VendorProductVersion
homeautomation_projecthomeautomation3.3.2
Published: 2021-04-27