Vulnerability Details CVE-2021-4138
Improved Host header checks to reject requests not sent to a well-known local hostname or IP, or the server-specified hostname.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 41.2%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
References
Products affected by CVE-2021-4138
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cpe:2.3:a:mozilla:geckodriver:-
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cpe:2.3:a:mozilla:geckodriver:0.1.0
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cpe:2.3:a:mozilla:geckodriver:0.10.0
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cpe:2.3:a:mozilla:geckodriver:0.11.0
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cpe:2.3:a:mozilla:geckodriver:0.11.1
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cpe:2.3:a:mozilla:geckodriver:0.12.0
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cpe:2.3:a:mozilla:geckodriver:0.13.0
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cpe:2.3:a:mozilla:geckodriver:0.14.0
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cpe:2.3:a:mozilla:geckodriver:0.15.0
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cpe:2.3:a:mozilla:geckodriver:0.16.0
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cpe:2.3:a:mozilla:geckodriver:0.16.1
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cpe:2.3:a:mozilla:geckodriver:0.17.0
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cpe:2.3:a:mozilla:geckodriver:0.18.0
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cpe:2.3:a:mozilla:geckodriver:0.19.0
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cpe:2.3:a:mozilla:geckodriver:0.19.1
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cpe:2.3:a:mozilla:geckodriver:0.2.0
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cpe:2.3:a:mozilla:geckodriver:0.20.0
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cpe:2.3:a:mozilla:geckodriver:0.20.1
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cpe:2.3:a:mozilla:geckodriver:0.21.0
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cpe:2.3:a:mozilla:geckodriver:0.22.0
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cpe:2.3:a:mozilla:geckodriver:0.23.0
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cpe:2.3:a:mozilla:geckodriver:0.24.0
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cpe:2.3:a:mozilla:geckodriver:0.25.0
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cpe:2.3:a:mozilla:geckodriver:0.26.0
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cpe:2.3:a:mozilla:geckodriver:0.27.0
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cpe:2.3:a:mozilla:geckodriver:0.28.0
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cpe:2.3:a:mozilla:geckodriver:0.29.0
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cpe:2.3:a:mozilla:geckodriver:0.29.1
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cpe:2.3:a:mozilla:geckodriver:0.3.0
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cpe:2.3:a:mozilla:geckodriver:0.4.0
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cpe:2.3:a:mozilla:geckodriver:0.4.1
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cpe:2.3:a:mozilla:geckodriver:0.4.2
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cpe:2.3:a:mozilla:geckodriver:0.5.0
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cpe:2.3:a:mozilla:geckodriver:0.6.0
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cpe:2.3:a:mozilla:geckodriver:0.6.2
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cpe:2.3:a:mozilla:geckodriver:0.7.1
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cpe:2.3:a:mozilla:geckodriver:0.8.0
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cpe:2.3:a:mozilla:geckodriver:0.9.0