CVE-2020-15242

Open Redirect in Next.js

Description

Next.js versions >=9.5.0 and <9.5.4 are vulnerable to an Open Redirect. Specially encoded paths could be used with the trailing slash redirect to allow an open redirect to occur to an external site. In general, this redirect does not directly harm users although can allow for phishing attacks by redirecting to an attackers domain from a trusted domain. The issue is fixed in version 9.5.4.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: vercel next.js
Published at:
Updated at:

References

Link Tags
https://github.com/vercel/next.js/security/advisories/GHSA-x56p-c8cg-q435 third party advisory patch
https://github.com/zeit/next.js/releases/tag/v9.5.4 third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2020-15242?
CVE-2020-15242 has been scored as a medium severity vulnerability.
How to fix CVE-2020-15242?
To fix CVE-2020-15242, 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-2020-15242 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-15242 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-2020-15242?
CVE-2020-15242 affects vercel next.js.
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