---
cve: "CVE-2020-17530"
severity: "CRITICAL"
cvss: 9.8
epss: "95.9%"
vendor: "Apache Software Foundation"
kev: true
exploited: true
published: "2020-12-11 02:15:10"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-09T21:55:52+02:00"
---

# CVE-2020-17530

> 9.8 CRITICAL · ⚠️ CISA KEV (1801 Tage) · 🔓 Exploited · 🧪 PoC

## Beschreibung

Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA KEV seit: **03.11.2021**
- 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 |

## Patch verfügbar (OSV)

- e4db6b720e4d3e798d0741dfe8c1ef2289fef8b7 (Commit)

## BSI-Hinweise (deutsch)

- [Oracle MySQL: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2023-0065)

## Referenzen

- <https://cwiki.apache.org/confluence/display/WW/S2-061>
- <http://jvn.jp/en/jp/JVN43969166/index.html>
- <https://www.oracle.com/security-alerts/cpujan2021.html>
- <http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html>
- <https://security.netapp.com/advisory/ntap-20210115-0005/>
- <https://www.oracle.com/security-alerts/cpuApr2021.html>
- <https://www.oracle.com//security-alerts/cpujul2021.html>
- <https://www.oracle.com/security-alerts/cpuoct2021.html>
- <https://www.oracle.com/security-alerts/cpujan2022.html>
- <http://www.openwall.com/lists/oss-security/2022/04/12/6>
- <https://www.oracle.com/security-alerts/cpuapr2022.html>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17530>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2020-17530/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_