CVE-2021-41097
9.1
CRITICAL · CVSS 3.1 · EPSS 4.9% (pctl 92)
In your normal cycle
Critical by CVSS (9.1), but no sign of active exploitation.
Description
aurelia-path is part of the Aurelia platform and contains utilities for path manipulation. There is a prototype pollution vulnerability in aurelia-path before version 1.1.7. The vulnerability exposes Aurelia application that uses `aurelia-path` package to parse a string. The majority of this will be Aurelia applications that employ the `aurelia-router` package. An example is this could allow an attacker to change the prototype of base object class `Object` by tricking an application to parse the following URL: `https://aurelia.io/blog/?__proto__[asdf]=asdf`. The problem is patched in version `1.1.7`.
Scoring
| CVSS | 9.1 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| EPSS | 4.9% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-1321 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-09-27 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| bluespire | aurelia-path |
References
- https://github.com/aurelia/path/commit/7c4e235433a4a2df9acc313fbe891758084fdec1
- https://github.com/aurelia/path/issues/44
- https://github.com/aurelia/path/releases/tag/1.1.7
- https://github.com/aurelia/path/security/advisories/GHSA-3c9c-2p65-qvwv
- https://www.npmjs.com/package/aurelia-path
- https://github.com/aurelia/path/commit/7c4e235433a4a2df9acc313fbe891758084fdec1
- https://github.com/aurelia/path/issues/44
- https://github.com/aurelia/path/releases/tag/1.1.7
- https://github.com/aurelia/path/security/advisories/GHSA-3c9c-2p65-qvwv
- https://www.npmjs.com/package/aurelia-path
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