CVE-2020-6287
SAP NetWeaver Missing Authentication for Critical Function Vulnerability
- Published
- Jul 14, 2020
- Updated
- Oct 21, 2025
- Assigning CNA
- sap
- Evidence observed
- Nov 3, 2021
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
SAP NetWeaver AS JAVA (LM Configuration Wizard), versions - 7.30, 7.31, 7.40, 7.50, does not perform an authentication check which allows an attacker without prior authentication to execute configuration tasks to perform critical actions against the SAP Java system, including the ability to create an administrative user, and therefore compromising Confidentiality, Integrity and Availability of the system, leading to Missing Authentication Check.
Sources
7- SAP_RECONExploit
PoC for CVE-2020-6287, CVE-2020-6286 (SAP RECON vulnerability)
PoC for CVE-2020-6287 The PoC in python for add user only, no administrator permission set. Inspired by @zeroSteiner from metasploit. Original Metasploit PR module: https://github.com/rapid7/metasploit-framework/pull/13852/commits/d1e2c75b3eafa7f62a6aba9fbe6220c8da97baa8 This PoC only create user with unauthentication permission and no more administrator permission set. This project is created only for educational purposes and cannot be used for law violation or personal gain. The author of this project is not responsible for any possible harm caused by the materials of this project. Original finding: CVE-2020-6287: Pablo Artuso CVE-2020-6286: Yvan 'iggy' G. Usage: python sap-CVE-2020-6287-add-user.py <HTTP(s)://IP:Port
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