CVE-2021-29452
High
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.
SeverityHigh
CVSS8.1
Exploit probability—
ProductCurveballjs A12n-server
PublishedApr 16, 2021
First seenApr 16, 2021
Weakness typeCWE-269Improper privilege management
How to fix
Update
- curveballjs a12n-server0.18.2 or later
- @curveball/a12n-server0.18.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| curveballjs a12n-server | 0.18.0 ≤ v < 0.18.2 | 0.18.2 |
| @curveball/a12n-servernpm | 0.18.0 ≤ v < 0.18.2 | 0.18.2 |
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