Vulnerability Details CVE-2025-66507
1Panel is an open-source, web-based control panel for Linux server management. Versions 2.0.13 and below allow an unauthenticated attacker to disable CAPTCHA verification by abusing a client-controlled parameter. Because the server previously trusted this value without proper validation, CAPTCHA protections can be bypassed, enabling automated login attempts and significantly increasing the risk of account takeover (ATO). This issue is fixed in version 2.0.14.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 25.7%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2025-66507
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cpe:2.3:a:fit2cloud:1panel:-
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cpe:2.3:a:fit2cloud:1panel:1.0.0
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cpe:2.3:a:fit2cloud:1panel:1.0.1
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cpe:2.3:a:fit2cloud:1panel:1.0.2
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cpe:2.3:a:fit2cloud:1panel:1.0.3
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cpe:2.3:a:fit2cloud:1panel:1.0.4
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cpe:2.3:a:fit2cloud:1panel:1.0.5
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cpe:2.3:a:fit2cloud:1panel:1.1.0
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cpe:2.3:a:fit2cloud:1panel:1.1.1
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cpe:2.3:a:fit2cloud:1panel:1.1.2
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cpe:2.3:a:fit2cloud:1panel:1.1.3
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cpe:2.3:a:fit2cloud:1panel:1.10.1-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.10-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.12-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.13-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.14-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.15-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.16-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.17-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.18-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.19-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.2-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.20-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.21-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.22-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.23-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.24-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.25-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.26-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.27-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.28-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.29-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.3-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.30-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.31-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.32-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.4-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.5-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.6-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.7-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.8-lts
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cpe:2.3:a:fit2cloud:1panel:1.10.9-lts
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cpe:2.3:a:fit2cloud:1panel:1.2.0
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cpe:2.3:a:fit2cloud:1panel:1.2.1
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cpe:2.3:a:fit2cloud:1panel:1.2.2
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cpe:2.3:a:fit2cloud:1panel:1.2.3
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cpe:2.3:a:fit2cloud:1panel:1.2.4
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cpe:2.3:a:fit2cloud:1panel:1.3.0
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cpe:2.3:a:fit2cloud:1panel:1.3.1
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cpe:2.3:a:fit2cloud:1panel:1.3.2
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cpe:2.3:a:fit2cloud:1panel:1.3.3
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cpe:2.3:a:fit2cloud:1panel:1.3.4
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cpe:2.3:a:fit2cloud:1panel:1.3.5
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cpe:2.3:a:fit2cloud:1panel:1.3.6
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cpe:2.3:a:fit2cloud:1panel:1.4.0
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cpe:2.3:a:fit2cloud:1panel:1.4.1
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cpe:2.3:a:fit2cloud:1panel:1.4.2
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cpe:2.3:a:fit2cloud:1panel:1.4.3
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cpe:2.3:a:fit2cloud:1panel:1.5.0
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cpe:2.3:a:fit2cloud:1panel:1.5.1
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cpe:2.3:a:fit2cloud:1panel:1.5.2
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cpe:2.3:a:fit2cloud:1panel:1.5.3
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cpe:2.3:a:fit2cloud:1panel:1.5.4
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cpe:2.3:a:fit2cloud:1panel:1.5.5
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cpe:2.3:a:fit2cloud:1panel:1.6.0
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cpe:2.3:a:fit2cloud:1panel:1.6.1
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cpe:2.3:a:fit2cloud:1panel:1.6.2
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cpe:2.3:a:fit2cloud:1panel:1.7.0
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cpe:2.3:a:fit2cloud:1panel:1.7.1
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cpe:2.3:a:fit2cloud:1panel:1.7.2
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cpe:2.3:a:fit2cloud:1panel:1.7.3
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cpe:2.3:a:fit2cloud:1panel:1.7.4
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cpe:2.3:a:fit2cloud:1panel:1.8.0
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cpe:2.3:a:fit2cloud:1panel:1.8.1
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cpe:2.3:a:fit2cloud:1panel:1.8.2
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cpe:2.3:a:fit2cloud:1panel:1.8.3
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cpe:2.3:a:fit2cloud:1panel:1.8.4
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cpe:2.3:a:fit2cloud:1panel:1.8.5
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cpe:2.3:a:fit2cloud:1panel:1.9.0
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cpe:2.3:a:fit2cloud:1panel:1.9.1
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cpe:2.3:a:fit2cloud:1panel:1.9.2
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cpe:2.3:a:fit2cloud:1panel:1.9.3
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cpe:2.3:a:fit2cloud:1panel:1.9.4
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cpe:2.3:a:fit2cloud:1panel:1.9.5
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cpe:2.3:a:fit2cloud:1panel:1.9.6
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cpe:2.3:a:fit2cloud:1panel:2.0.0
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cpe:2.3:a:fit2cloud:1panel:2.0.1
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cpe:2.3:a:fit2cloud:1panel:2.0.10
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cpe:2.3:a:fit2cloud:1panel:2.0.11
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cpe:2.3:a:fit2cloud:1panel:2.0.12
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cpe:2.3:a:fit2cloud:1panel:2.0.13
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cpe:2.3:a:fit2cloud:1panel:2.0.2
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cpe:2.3:a:fit2cloud:1panel:2.0.3
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cpe:2.3:a:fit2cloud:1panel:2.0.4
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cpe:2.3:a:fit2cloud:1panel:2.0.5
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cpe:2.3:a:fit2cloud:1panel:2.0.6
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cpe:2.3:a:fit2cloud:1panel:2.0.7
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cpe:2.3:a:fit2cloud:1panel:2.0.8
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cpe:2.3:a:fit2cloud:1panel:2.0.9