CVE-2020-26829 Missing authorization in SAP NetWeaver AS JAVA (P2P Cluster Communication)
Unauthenticated attackers can access restricted system administration functions and shut down the system due to missing authentication in cluster communication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-26829?
CVE-2020-26829 is a critical missing authorization vulnerability in Sap Netweaver Application Server Java, published on 9 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-306
Which versions are affected by CVE-2020-26829?
It affects 1 product.
Products include Sap Netweaver Application Server Java.
How do I fix CVE-2020-26829?
No fix has been published for CVE-2020-26829 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-26829 being exploited?
There is no known exploitation of CVE-2020-26829 in the wild and no public exploit code.
Other vulnerabilities in Sap Netweaver Application Server Java
Sources
Also known as GHSA-9fv2-mhpr-vp74.