Auth bypass in SAP Netweaver Application Server Java
CVE-2020-6287
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.
Vulnerability class: Broken Authentication
EPSS: 0.947 (99.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Sap Netweaver_application_server_java — versions 7.30, 7.31, 7.40
- Sap Se Netweaver As Java (Lm Configuration Wizard) — versions < 7.30, < 7.31, < 7.40
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- cna@sap.com (x_refsource_MISC, Broken Link, Vendor Advisory)
- cna@sap.com (Permissions Required, x_refsource_MISC, Vendor Advisory)
- cna@sap.com (Third Party Advisory, x_refsource_MISC)
- cna@sap.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- cna@sap.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2020-6287?
- CVE-2020-6287 is a critical-severity vulnerability in SAP Netweaver Application Server Java, classified under Missing Authentication for Critical Function. CVSS score: 10.0/10. Published 2020-07-14.
- How severe is CVE-2020-6287?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2020-6287 known to be exploited?
- Yes. CVE-2020-6287 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 69 public proof-of-concept repositories are indexed.