Netweaver
CVE-2021-38163
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK
2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. |
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Alert meAnalysisAI
SAP NetWeaver (Visual Composer 7.0 RT) versions - 7.30, 7.31, 7.40, 7.50, without restriction, an attacker authenticated as a non-administrative user can upload a malicious file over a network and. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. SAP NetWeaver (Visual Composer 7.0 RT) versions - 7.30, 7.31, 7.40, 7.50, without restriction, an attacker authenticated as a non-administrative user can upload a malicious file over a network and trigger its processing, which is capable of running operating system commands with the privilege of the Java Server process. These commands can be used to read or modify any information on the server or shut the server down making it unavailable. Affected products include: Sap Netweaver.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionNVD
SAP NetWeaver (Visual Composer 7.0 RT) versions - 7.30, 7.31, 7.40, 7.50, without restriction, an attacker authenticated as a non-administrative user can upload a malicious file over a network and trigger its processing, which is capable of running operating system commands with the privilege of the Java Server process. These commands can be used to read or modify any information on the server or shut the server down making it unavailable.
Threat Intelligence Overview
NVD
CVE.org
CISA KEV
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.
Affected Products (CPE)NVD
SAP NetWeaver Visual Composer allows privileged users to upload untrusted content that is deserialized on the server, en
The DiagTraceR3Info function in the Dialog processor in disp+work.exe 7010.29.15.58313 and 7200.70.18.23869 in the Dispa
Unauthenticated remote code execution in SAP NetWeaver Visual Composer (Metadata Uploader component) allows attackers to
Directory traversal vulnerability in the GetFileList function in the SAP Manufacturing Integration and Intelligence (xMI
XML External Entity (XXE) vulnerability in SAP Netweaver before 7.01. Rated critical severity (CVSS 9.8), this vulnerabi
The DiagTraceHex function in disp+work.exe 7010.29.15.58313 and 7200.70.18.23869 in the Dispatcher in SAP NetWeaver 7.0
The DiagiEventSource function in disp+work.exe 7010.29.15.58313 and 7200.70.18.23869 in the Dispatcher in SAP NetWeaver
The DiagTraceStreamI function in disp+work.exe 7010.29.15.58313 and 7200.70.18.23869 in the Dispatcher in SAP NetWeaver
The Standalone Enqueue Server in SAP Netweaver 7.20, 7.01, and earlier allows remote attackers to cause a denial of serv
The Diaginput function in disp+work.exe 7010.29.15.58313 and 7200.70.18.23869 in the Dispatcher in SAP NetWeaver 7.0 EHP
The DiagTraceAtoms function in disp+work.exe 7010.29.15.58313 and 7200.70.18.23869 in the Dispatcher in SAP NetWeaver 7.
XML external entity (XXE) vulnerability in the UDDI component in SAP NetWeaver JAVA AS 7.4 allows remote attackers to ca
GitHub PoC
Exploit-DB