---
cve: "CVE-2021-21384"
severity: "MEDIUM"
cvss: 6.3
epss: "0.6%"
vendor: "ericcornelissen"
kev: false
exploited: false
published: "2021-03-19 00:15:11"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T06:31:04+02:00"
---

# CVE-2021-21384

> 6.3 MEDIUM · 🧪 PoC

## Beschreibung

shescape is a simple shell escape package for JavaScript. In shescape before version 1.1.3, anyone using _Shescape_ to defend against shell injection may still be vulnerable against shell injection if the attacker manages to insert a into the payload. For an example see the referenced GitHub Security Advisory. The problem has been patched in version 1.1.3. No further changes are required.

## CVSS-Vektor

```
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Erforderlich | good |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- 0c934a612c9399c178e0053808f4c6929e866b9d (Commit)
- 07a069a66423809cbedd61d980c11ca44a29ea2b (Commit)

## Referenzen

- <https://github.com/ericcornelissen/shescape/security/advisories/GHSA-f2rp-38vg-j3gh>
- <https://github.com/ericcornelissen/shescape/commit/07a069a66423809cbedd61d980c11ca44a29ea2b>
- <https://github.com/ericcornelissen/shescape/releases/tag/v1.1.3>
- <https://www.npmjs.com/package/shescape>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-21384) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_