CVE-2018-25091
6.1 · MEDIUMOverview
CVE-2018-25091 is a medium-severity vulnerability affecting python urllib3. It was published on October 15, 2023 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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).
Remediation
Check the references section for vendor advisories and patches from python. Update urllib3 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| python | urllib3 | >= 0, < 1.24.2 | Affected |
References
Frequently Asked Questions
What is CVE-2018-25091?
CVE-2018-25091 is a medium-severity vulnerability affecting python urllib3. It was published on October 15, 2023 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2018-25091?
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-25091?
Check the references section for vendor advisories and patches from python. Update urllib3 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-25091?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-25091 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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