CVE-2021-38163 (GCVE-0-2021-38163)
Vulnerability from cvelistv5 – Published: 2021-09-14 11:21 – Updated: 2025-10-21 23:25Summary
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.
Severity
9.9 (Critical)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-29 20:19 UTC
CWE
- Unrestricted File Upload
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://wiki.scn.sap.com/wiki/pages/viewpage.acti… | x_refsource_MISC |
| https://launchpad.support.sap.com/#/notes/3084487 | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SAP SE | SAP NetWeaver (Visual Composer 7.0 RT) |
Affected:
7.30
Affected: 7.31 Affected: 7.40 Affected: 7.50 |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: f19c223a-eeef-40a0-8364-b69547800a03
Exploited: Yes
Timestamps
First Seen: 2022-06-09
Asserted: 2022-06-09
Scope
Notes: SAP NetWeaver Unrestricted File Upload Vulnerability | Affected: SAP / NetWeaver | Description: SAP NetWeaver contains a vulnerability that allows unrestricted file upload. | Required action: Apply updates per vendor instructions. | Due date: 2022-06-30 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-38163
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-23 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | NetWeaver |
| Due Date | 2022-06-30 |
| Date Added | 2022-06-09 |
| Vendorproject | SAP |
| Vulnerabilityname | SAP NetWeaver Unrestricted File Upload Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-10-02 08:09 CEST
| Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 6a37fe7e-4c70-40bf-8412-3d6555fedff1
Exploited: Yes
Timestamps
First Seen: 2022-06-09
Asserted: 2022-06-09
Scope
Notes: 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... | Affected: SAP SE / SAP NetWeaver (Visual Composer 7.0 RT) | CVSS: 9.9 (CRITICAL) | EPSS: 0.36018 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | 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... |
| Cve Id | CVE-2021-38163 |
| Vendor | SAP SE |
| Ghsa Id | None |
| Product | SAP NetWeaver (Visual Composer 7.0 RT) |
| Added Date | 2022-06-09T00:00:00.000Z |
| Cvss Score | 9.9 |
| Epss Score | 0.36018 |
| Previous Ids | |
| Cvss Severity | CRITICAL |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.98431 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2021-38163 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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