Vulnerability Details CVE-2016-10536
engine.io-client is the client for engine.io, the implementation of a transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. The vulnerability is related to the way that node.js handles the `rejectUnauthorized` setting. If the value is something that evaluates to false, certificate verification will be disabled. This is problematic as engine.io-client 1.6.8 and earlier passes in an object for settings that includes the rejectUnauthorized property, whether it has been set or not. If the value has not been explicitly changed, it will be passed in as `null`, resulting in certificate verification being turned off.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 46.8%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 4.3
Products affected by CVE-2016-10536
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cpe:2.3:a:socket:engine.io-client:0.1.0
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cpe:2.3:a:socket:engine.io-client:0.1.1
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cpe:2.3:a:socket:engine.io-client:0.1.2
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cpe:2.3:a:socket:engine.io-client:0.2.0
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cpe:2.3:a:socket:engine.io-client:0.2.1
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cpe:2.3:a:socket:engine.io-client:0.2.2
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cpe:2.3:a:socket:engine.io-client:0.3.0
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cpe:2.3:a:socket:engine.io-client:0.3.1
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cpe:2.3:a:socket:engine.io-client:0.3.10
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cpe:2.3:a:socket:engine.io-client:0.3.2
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cpe:2.3:a:socket:engine.io-client:0.3.3
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cpe:2.3:a:socket:engine.io-client:0.3.4
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cpe:2.3:a:socket:engine.io-client:0.3.5
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cpe:2.3:a:socket:engine.io-client:0.3.6
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cpe:2.3:a:socket:engine.io-client:0.3.7
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cpe:2.3:a:socket:engine.io-client:0.3.8
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cpe:2.3:a:socket:engine.io-client:0.3.9
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cpe:2.3:a:socket:engine.io-client:0.4.0
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cpe:2.3:a:socket:engine.io-client:0.4.1
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cpe:2.3:a:socket:engine.io-client:0.4.2
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cpe:2.3:a:socket:engine.io-client:0.4.3
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cpe:2.3:a:socket:engine.io-client:0.5.0
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cpe:2.3:a:socket:engine.io-client:0.6.0
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cpe:2.3:a:socket:engine.io-client:0.6.1
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cpe:2.3:a:socket:engine.io-client:0.6.2
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cpe:2.3:a:socket:engine.io-client:0.6.3
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cpe:2.3:a:socket:engine.io-client:0.7.0
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cpe:2.3:a:socket:engine.io-client:0.7.1
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cpe:2.3:a:socket:engine.io-client:0.7.10
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cpe:2.3:a:socket:engine.io-client:0.7.11
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cpe:2.3:a:socket:engine.io-client:0.7.12
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cpe:2.3:a:socket:engine.io-client:0.7.13
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cpe:2.3:a:socket:engine.io-client:0.7.14
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cpe:2.3:a:socket:engine.io-client:0.7.2
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cpe:2.3:a:socket:engine.io-client:0.7.3
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cpe:2.3:a:socket:engine.io-client:0.7.4
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cpe:2.3:a:socket:engine.io-client:0.7.5
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cpe:2.3:a:socket:engine.io-client:0.7.6
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cpe:2.3:a:socket:engine.io-client:0.7.7
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cpe:2.3:a:socket:engine.io-client:0.7.8
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cpe:2.3:a:socket:engine.io-client:0.7.9
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cpe:2.3:a:socket:engine.io-client:0.8.0
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cpe:2.3:a:socket:engine.io-client:0.8.1
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cpe:2.3:a:socket:engine.io-client:0.8.2
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cpe:2.3:a:socket:engine.io-client:0.9.0
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cpe:2.3:a:socket:engine.io-client:1.0.0
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cpe:2.3:a:socket:engine.io-client:1.0.1
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cpe:2.3:a:socket:engine.io-client:1.0.2
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cpe:2.3:a:socket:engine.io-client:1.0.3
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cpe:2.3:a:socket:engine.io-client:1.0.4
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cpe:2.3:a:socket:engine.io-client:1.0.5
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cpe:2.3:a:socket:engine.io-client:1.1.0
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cpe:2.3:a:socket:engine.io-client:1.1.1
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cpe:2.3:a:socket:engine.io-client:1.2.0
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cpe:2.3:a:socket:engine.io-client:1.2.1
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cpe:2.3:a:socket:engine.io-client:1.2.2
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cpe:2.3:a:socket:engine.io-client:1.3.0
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cpe:2.3:a:socket:engine.io-client:1.3.1
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cpe:2.3:a:socket:engine.io-client:1.4.0
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cpe:2.3:a:socket:engine.io-client:1.4.1
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cpe:2.3:a:socket:engine.io-client:1.4.2
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cpe:2.3:a:socket:engine.io-client:1.4.3
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cpe:2.3:a:socket:engine.io-client:1.5.0
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cpe:2.3:a:socket:engine.io-client:1.5.1
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cpe:2.3:a:socket:engine.io-client:1.5.2
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cpe:2.3:a:socket:engine.io-client:1.5.3
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cpe:2.3:a:socket:engine.io-client:1.5.4
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cpe:2.3:a:socket:engine.io-client:1.6.0
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cpe:2.3:a:socket:engine.io-client:1.6.1
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cpe:2.3:a:socket:engine.io-client:1.6.2
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cpe:2.3:a:socket:engine.io-client:1.6.3
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cpe:2.3:a:socket:engine.io-client:1.6.4
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cpe:2.3:a:socket:engine.io-client:1.6.5
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cpe:2.3:a:socket:engine.io-client:1.6.6
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cpe:2.3:a:socket:engine.io-client:1.6.7
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cpe:2.3:a:socket:engine.io-client:1.6.8