Vulnerability Details CVE-2018-25091
urllib3 before 1.24.2 does not remove the authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the authorization header to be exposed to unintended hosts or transmitted in cleartext. NOTE: this issue exists because of an incomplete fix for CVE-2018-20060 (which was case-sensitive).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 48.3%
CVSS Severity
CVSS v3 Score 6.1
Products affected by CVE-2018-25091
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cpe:2.3:a:python:urllib3:0.3
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cpe:2.3:a:python:urllib3:0.3.1
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cpe:2.3:a:python:urllib3:0.4
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cpe:2.3:a:python:urllib3:0.4.1
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cpe:2.3:a:python:urllib3:1.0
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cpe:2.3:a:python:urllib3:1.0.1
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cpe:2.3:a:python:urllib3:1.0.2
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cpe:2.3:a:python:urllib3:1.1
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cpe:2.3:a:python:urllib3:1.10
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cpe:2.3:a:python:urllib3:1.10.1
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cpe:2.3:a:python:urllib3:1.10.2
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cpe:2.3:a:python:urllib3:1.10.3
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cpe:2.3:a:python:urllib3:1.10.4
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cpe:2.3:a:python:urllib3:1.11
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cpe:2.3:a:python:urllib3:1.12
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cpe:2.3:a:python:urllib3:1.13
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cpe:2.3:a:python:urllib3:1.13.1
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cpe:2.3:a:python:urllib3:1.14
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cpe:2.3:a:python:urllib3:1.15
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cpe:2.3:a:python:urllib3:1.15.1
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cpe:2.3:a:python:urllib3:1.16
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cpe:2.3:a:python:urllib3:1.17
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cpe:2.3:a:python:urllib3:1.18
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cpe:2.3:a:python:urllib3:1.18.1
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cpe:2.3:a:python:urllib3:1.19
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cpe:2.3:a:python:urllib3:1.19.1
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cpe:2.3:a:python:urllib3:1.2
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cpe:2.3:a:python:urllib3:1.2.1
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cpe:2.3:a:python:urllib3:1.20
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cpe:2.3:a:python:urllib3:1.21
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cpe:2.3:a:python:urllib3:1.21.1
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cpe:2.3:a:python:urllib3:1.22
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cpe:2.3:a:python:urllib3:1.23
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cpe:2.3:a:python:urllib3:1.24
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cpe:2.3:a:python:urllib3:1.24.1
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cpe:2.3:a:python:urllib3:1.3
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cpe:2.3:a:python:urllib3:1.4
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cpe:2.3:a:python:urllib3:1.5
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cpe:2.3:a:python:urllib3:1.6
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cpe:2.3:a:python:urllib3:1.7
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cpe:2.3:a:python:urllib3:1.7.1
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cpe:2.3:a:python:urllib3:1.8
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cpe:2.3:a:python:urllib3:1.8.1
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cpe:2.3:a:python:urllib3:1.8.2
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cpe:2.3:a:python:urllib3:1.8.3
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cpe:2.3:a:python:urllib3:1.9
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cpe:2.3:a:python:urllib3:1.9.1