Vulnerability Details : CVE-2021-43812
The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Versions before 1.6.2 do not filter out certain returnTo parameter values from the login url, which expose the application to an open redirect vulnerability. Users are advised to upgrade as soon as possible. There are no known workarounds for this issue.
Vulnerability category: Open redirect
Products affected by CVE-2021-43812
- cpe:2.3:a:auth0:nextjs-auth0:*:*:*:*:*:node.js:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43812
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43812
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST | |
|
6.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
3.1
|
2.7
|
GitHub, Inc. |
CWE ids for CVE-2021-43812
-
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.Assigned by: security-advisories@github.com (Primary)
References for CVE-2021-43812
-
https://github.com/auth0/nextjs-auth0/commit/0bbd9f8a0c93af51f607f28633b5fb18c5e48ad6
Enforce configured host on user supplied returnTo (#557) · auth0/nextjs-auth0@0bbd9f8 · GitHubPatch;Third Party Advisory
-
https://github.com/auth0/nextjs-auth0/security/advisories/GHSA-2mqv-4j3r-vjvp
Open redirect · Advisory · auth0/nextjs-auth0 · GitHubThird Party Advisory
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