CVE-2021-32721

URL Redirection to Untrusted Site ('Open Redirect') in github.com/AndrewBurian/powermux

Description

PowerMux is a drop-in replacement for Go's http.ServeMux. In PowerMux versions prior to 1.1.1, attackers may be able to craft phishing links and other open redirects by exploiting the trailing slash redirection feature. This may lead to users being redirected to untrusted sites after following an attacker crafted link. The issue is resolved in v1.1.1. There are no existing workarounds.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.20%
Third-Party Advisory github.com
Affected: AndrewBurian powermux
Published at:
Updated at:

References

Link Tags
https://github.com/AndrewBurian/powermux/security/advisories/GHSA-mj9r-wwm8-7q52 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-32721?
CVE-2021-32721 has been scored as a medium severity vulnerability.
How to fix CVE-2021-32721?
To fix CVE-2021-32721, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32721 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-32721 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32721?
CVE-2021-32721 affects AndrewBurian powermux.
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