CVE-2020-26819 Missing authorization in SAP NetWeaver AS ABAP (Web Dynpro)
An authenticated user can improperly access Web Dynpro components to read and delete database logfiles due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-26819?
CVE-2020-26819 is a medium-severity missing authorization vulnerability in Sap Netweaver Application Server Abap, published on 10 Nov 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
SAP NetWeaver AS ABAP (Web Dynpro), versions - 731, 740, 750, 751, 752, 753, 754, 755, 782, allows an authenticated user to access Web Dynpro components, that allows them to read and delete database logfiles because of Improper Access Control.
Which versions are affected by CVE-2020-26819?
It affects 1 product.
Products include Sap Netweaver Application Server Abap.
How do I fix CVE-2020-26819?
No fix has been published for CVE-2020-26819 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-2020-26819 being exploited?
There is no known exploitation of CVE-2020-26819 in the wild and no public exploit code.
Other vulnerabilities in Sap Netweaver Application Server Abap
- CVE-2026-0488 Code Injection vulnerability in SAP CRM and SAP S/4HANA (Scripting Editor)
- CVE-2021-40499 Code injection in SAP NetWeaver Application Server for ABAP (SAP Cloud Print Manager and SAPSprint)
- CVE-2023-27269 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform
- CVE-2023-27500 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform
- CVE-2023-0014 Capture-replay vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform
Sources
Also known as GHSA-6hm9-wj83-37rw.