CVE-2021-29452
8.1 · HIGHOverview
CVE-2021-29452 is a high-severity vulnerability affecting curveballjs a12n-server. It was published on April 16, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
a12n-server is an npm package which aims to provide a simple authentication system. A new HAL-Form was added to allow editing users in version 0.18.0. This feature should only have been accessible to admins. Unfortunately, privileges were incorrectly checked allowing any logged in user to make this change. Patched in v0.18.2.
Remediation
Check the references section for vendor advisories and patches from curveballjs. Update a12n-server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| curveballjs | a12n-server | >= 0.18.0, < 0.18.2 | Affected |
Frequently Asked Questions
What is CVE-2021-29452?
CVE-2021-29452 is a high-severity vulnerability affecting curveballjs a12n-server. It was published on April 16, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).
How severe is CVE-2021-29452?
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-29452?
Check the references section for vendor advisories and patches from curveballjs. Update a12n-server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-29452?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-29452 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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