CVE-2018-25091 is a medium-severity vulnerability affecting urllib3 before version 1.24.2, where the authorization HTTP header is not removed during cross-origin redirects, potentially exposing credentials to unintended hosts or in cleartext. This client-side vulnerability requires user interaction and can lead to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this issue.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.24.2CPE matchmatch criteria | cpe:2.3:a:python:urllib3:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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Apr 12, 2024Authorization Header forwarded on redirect
Oct 15, 2023urllib3: urllib3 does not remove the authorization HTTP header when following a cross-origin redirect
Oct 15, 2023urllib3 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).
Oct 10, 2023