What is CVE-2018-25091?

CVE-2018-25091 is a medium-severity vulnerability in Python Urllib3, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2023-10-15.

How severe is CVE-2018-25091?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Python Urllib3

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 t…

Vulnerability class: Open Redirect

EPSS: 0.005 (40.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Python Urllib3
N/a — versions n/a

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

cve@mitre.org (Patch, Issue Tracking, Vendor Advisory)
cve@mitre.org (Patch)
cve@mitre.org (Patch)

Frequently asked questions

What is CVE-2018-25091?: CVE-2018-25091 is a medium-severity vulnerability in Python Urllib3, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2023-10-15.
How severe is CVE-2018-25091?: Medium severity. CVSS v3 base score is 6.1 out of 10.