High severity8.1NVD Advisory· Published Apr 16, 2021· Updated Jun 17, 2026
CVE-2021-29452
CVE-2021-29452
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.
AI Insight
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@curveball/a12n-servernpm | >= 0.18.0, < 0.18.2 | 0.18.2 |
Affected products
3- Range: >= 0.18 < 0.18.2
- cpe:2.3:a:curveballjs:a12n-server:*:*:*:*:*:node.js:*:*Range: >=0.18.0,<0.18.2
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-8hw9-22v6-9jr9ghsaADVISORY
- github.com/curveball/a12n-server/security/advisories/GHSA-8hw9-22v6-9jr9nvdThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2021-29452ghsaADVISORY
- www.npmjs.com/package/@curveball/a12n-serverghsaWEB
- www.npmjs.com/package/%40curveball/a12n-servernvd
News mentions
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