CVE-2020-26820 File upload in SAP NetWeaver AS JAVA
An authenticated administrator can upload malicious files to the file system, enabling remote code execution and full server compromise.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-26820?
CVE-2020-26820 is a critical vulnerability in Sap Netweaver Application Server Java, published on 10 Nov 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
SAP NetWeaver AS JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker who is authenticated as an administrator to use the administrator console, to expose unauthenticated access to the file system and upload a malicious file. The attacker or another user can then use a separate mechanism to execute OS commands through the uploaded file leading to Privilege Escalation and completely compromise the confidentiality, integrity and availability of the server operating system and any application running on it.
Weakness: CWE-434
Which versions are affected by CVE-2020-26820?
It affects 1 product.
Products include Sap Netweaver Application Server Java.
How do I fix CVE-2020-26820?
No fix has been published for CVE-2020-26820 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-26820 being exploited?
There is no known exploitation of CVE-2020-26820 in the wild and no public exploit code.
Other vulnerabilities in Sap Netweaver Application Server Java
Sources
Also known as GHSA-62xw-wxv8-j4h9.