CVE-2018-6873 Auth bypass in n/a

What is CVE-2018-6873?

CVE-2018-6873 is a critical authentication bypass vulnerability in n/a, published on 4 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Auth0 authentication service before 2017-10-15 allows privilege escalation because the JWT audience is not validated.

Weakness: CWE-287

Which versions are affected by CVE-2018-6873?

It affects 1 product.

Products include Auth0 Auth0.js.

How do I fix CVE-2018-6873?

No fix has been published for CVE-2018-6873 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2018-6873 being exploited?

There is no known exploitation of CVE-2018-6873 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2018-6874 Cross-Site Request Forgery (CSRF) in Auth0 High 8.8
• CVE-2018-7307 Auth0-js bypasses CSRF checks High 8.8
• CVE-2020-15125 Authorization header is not sanitized in an error object in auth0 High 7.7
• CVE-2017-17068 auth0-js Privilege Escalation Vulnerability High 7.5
• CVE-2026-42280 Improper Permission Checking in Auth.js SDK High 7.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-mc68-wpcg-f86r.