CVE-2020-26829
First published: Wed Dec 09 2020(Updated: )
SAP NetWeaver AS JAVA (P2P Cluster Communication), versions - 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows arbitrary connections from processes because of missing authentication check, that are outside the cluster and even outside the network segment dedicated for the internal cluster communication. As result, an unauthenticated attacker can invoke certain functions that would otherwise be restricted to system administrators only, including access to system administration functions or shutting down the system completely.
Credit: cna@sap.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-26829.
What is the severity of CVE-2020-26829?
The severity of CVE-2020-26829 is critical.
Which versions of SAP NetWeaver AS JAVA are affected by CVE-2020-26829?
The versions 7.11, 7.20, 7.30, 7.31, 7.40, and 7.50 of SAP NetWeaver AS JAVA are affected by CVE-2020-26829.
What is the impact of CVE-2020-26829?
CVE-2020-26829 allows arbitrary connections from processes outside the cluster and network segment, bypassing authentication checks.
Are there any references for CVE-2020-26829?
Yes, here are some references: [Packet Storm Security](http://packetstormsecurity.com/files/163166/SAP-Netweaver-JAVA-7.50-Missing-Authorization.html), [SecLists](http://seclists.org/fulldisclosure/2021/Jun/33), [SAP Support](https://launchpad.support.sap.com/#/notes/2974774).
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- canonical/sap netweaver application server java
- version/sap netweaver application server java/7.11
- version/sap netweaver application server java/7.20
- version/sap netweaver application server java/7.30
- version/sap netweaver application server java/7.31
- version/sap netweaver application server java/7.40
- version/sap netweaver application server java/7.50