---
cve: "CVE-2021-37415"
severity: "CRITICAL"
cvss: 9.8
epss: "99.8%"
vendor: "n/a"
kev: true
exploited: true
published: "2021-09-01 06:15:06"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-11-09T15:21:31+01:00"
---

# CVE-2021-37415

> 9.8 CRITICAL · ⚠️ CISA KEV (1804 Tage) · 🔓 Exploited

## Beschreibung

Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.

## CNA-Record (Kanon, cvelistV5)

- CNA: **mitre**
- State: PUBLISHED
- Stand: 2025-10-21 23:25:35

## CISA-Anreicherung (vulnrichment/ADP)

- CISA KEV seit: **01.12.2021**
- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **active**
  - Automatable: **yes**
  - Technical Impact: **total**

## CVSS-Vektor

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

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

## Schwachstellen-Klasse

- **CWE-306** — Missing Authentication for Critical Functionality
  The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

## Angriffsmuster (CAPEC)

- [CAPEC-12 — Choosing Message Identifier](https://capec.mitre.org/data/definitions/12.html) _(Severity: High)_
- [CAPEC-36 — Using Unpublished Interfaces or Functionality](https://capec.mitre.org/data/definitions/36.html) _(Severity: High)_
- [CAPEC-62 — Cross Site Request Forgery](https://capec.mitre.org/data/definitions/62.html) _(Severity: Very High)_
- [CAPEC-166 — Force the System to Reset Values](https://capec.mitre.org/data/definitions/166.html) _(Severity: Medium)_
- [CAPEC-216 — Communication Channel Manipulation](https://capec.mitre.org/data/definitions/216.html)

## Referenzen

- <https://www.manageengine.com>
- <https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37415>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2021-37415/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_