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cvelistMitreCVELIST:CVE-2018-25091
HistoryOct 15, 2023 - 12:00 a.m.

CVE-2018-25091

2023-10-1500:00:00
mitre
www.cve.org
9
cve-2018-25091
urllib3
security vulnerability
authorization header
cross-origin redirect

AI Score

7.4

Confidence

High

EPSS

0.005

Percentile

76.7%

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).