lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Date: Mon, 5 Apr 2021 13:09:35 -0300
From: Onapsis Research via Fulldisclosure <>
Subject: [FD] Onapsis Security Advisory 2021-0004: [CVE-2020-26820] - SAP
 Java OS Remote Code Execution

# Onapsis Security Advisory 2021-0004: [CVE-2020-26820] - SAP Java OS
Remote Code Execution

## Impact on Business

A malicious authenticated attacker could abuse some particular services
by the SAP JAVA Netweaver allowing them to execute commands in the
operating system.

## Advisory Information

- Security Advisory ID: ONAPSIS-2021-0004
- Vulnerability Submission ID: 847
- Researcher: Pablo Artuso

## Vulnerability Information

- Vendor: SAP
- Affected Components:
- SAP Netweaver JAVA version 7.30 - 7.50

  (Check SAP Note 2979062 for detailed information on affected releases)

- Vulnerability Class: [CWE-434]  Unrestricted Upload of File with
Dangerous Type
- CVSS v3 score: 9.1 (AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
- Severity: Critical
- Assigned CVE: CVE-2020-26820
- Vendor patch Information: SAP Security NOTE 2979062

## Affected Components Description

SAP NetWeaver JAVA is a foundational layer which is used by several
SAP products, such as:

- SAP Enterprise portal
- SAP Solution Manager
- SAP Landscape Manager
- among others.

Due to the vulnerable components resides in this "foundational layer", all
products running on top of SAP JAVA NetWeaver will be affected by this

## Vulnerability Details

A particular component (UDDI SERVER) of the SAP JAVA Netweaver layer,
exposes a functionality which allows authenticated attackers to upload
resources. In particular, at least the NWA_SUPERADMIN privileges are needed
to be able to use the upload process. Due to lack of controls, these files
are not checked and therefore any type of files could be uploaded,
resulting in the possibility of executing commands in the underlying OS.

## Solution

SAP has released SAP Note 2979062 which provide patched versions of the
affected components.

The patches can be downloaded from

Onapsis strongly recommends SAP customers to download the related security
fixes and apply them to the affected components in order to reduce business

## Report Timeline

- 10/05/2020: Onapsis sends details to SAP
- 10/05/2020: SAP provides internal ID’s.
- 10/12/2020: SAP confirms vulnerability and assigns CVSSv3 score of 9.1
- 11/10/2020: SAP releases patch.

## References

* Onapsis blogpost:
* CVE Mitre:
* Vendor Patch:

## About Onapsis Research Labs

Onapsis Research Labs provides the industry analysis of key security issues
that impact business-critical systems and applications. Delivering frequent
and timely security and compliance advisories with associated risk levels,
Onapsis Research Labs combine in-depth knowledge and experience to deliver
technical and business-context with sound security judgment to the broader
information security community.

Find all reported vulnerabilities at

## About Onapsis, Inc.

Onapsis protects the mission-critical applications that run the  global
economy, from the core to the cloud. The Onapsis Platform uniquely delivers
actionable insight, secure change, automated
governance and continuous monitoring for critical systems—ERP, CRM, PLM,
HCM, SCM and BI applications—from leading vendors  such as SAP, Oracle,
Salesforce and others.

Onapsis is headquartered in Boston, MA, with offices in Heidelberg, Germany
and Buenos Aires, Argentina. We proudly serve more than 300 of the world’s
leading brands, including 20% of the Fortune 100, 6 of the top 10
automotive companies, 5 of the top 10 chemical companies,
4 of the top 10 technology companies and 3 of the top 10 oil and gas

The Onapsis Platform is powered by the Onapsis Research Labs, the team
responsible for the discovery and mitigation of more than 800 zero-day
vulnerabilities in mission-critical applications.
The reach of our threat research and platform is broadened through leading
consulting and audit firms such as Accenture, Deloitte, IBM, PwC and
Verizon—making Onapsis solutions the standard in helping organizations
protect their cloud, hybrid and on-premises mission-critical
information and processes.

For more information, connect with us on Twitter or LinkedIn, or visit us

This email and any files transmitted with it are confidential and intended 
solely for the use of the individual or entity to whom they are addressed. 
If you have received this email in error please notify the system manager. 
This message contains confidential information and is intended only for the 
individual named. If you are not the named addressee you should not 
disseminate, distribute or copy this e-mail.
Please notify the sender 
immediately by e-mail if you have received this e-mail by mistake and 
delete this e-mail from your system. If you are not the intended recipient 
you are notified that disclosing, copying, distributing or taking any 
action in reliance on the contents of this information is strictly 

Sent through the Full Disclosure mailing list
Web Archives & RSS:

Powered by blists - more mailing lists