CVE-2020-6309

Name: CVE-2020-6309
Creator: NVD / NIST
Published: 2020-08-12T14:15:14.69+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.80%

Last modified Jun 17, 2026

CVE-2020-6309 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. SAP NetWeaver AS JAVA, versions - (ENGINEAPI 7.10; WSRM 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50; J2EE-FRMW 7.10, 7.11), does not perform any authentication checks for a web service allowing the attacker to send several payloads and leading to complete denial of service.. EPSS estimates a 1.80% chance of exploitation in the next 30 days.

Description

SAP NetWeaver AS JAVA, versions - (ENGINEAPI 7.10; WSRM 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50; J2EE-FRMW 7.10, 7.11), does not perform any authentication checks for a web service allowing the attacker to send several payloads and leading to complete denial of service.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.80%

75.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Sap	Netweaver Application Server Java	7.10
Sap	Netweaver Application Server Java	7.11
Sap	Netweaver Application Server Java	7.20
Sap	Netweaver Application Server Java	7.30
Sap	Netweaver Application Server Java	7.31
Sap	Netweaver Application Server Java	7.40
Sap	Netweaver Application Server Java	7.50

References

https://launchpad.support.sap.com/#/notes/2941315Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=552603345Vendor Advisory
https://launchpad.support.sap.com/#/notes/2941315Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=552603345Vendor Advisory

Timeline

Published: Aug 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6309?

How severe is CVE-2020-6309?

CVE-2020-6309 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.80% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6309?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-6309?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST