CVE-2025-42999
SAP NetWeaver Deserialization Vulnerability - [Actively Exploited]
Description
SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system.
INFO
Published Date :
May 13, 2025, 1:15 a.m.
Last Modified :
May 16, 2025, 7:44 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
6.0
Exploitability Score :
2.3
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
SAP NetWeaver Visual Composer Metadata Uploader contains a deserialization vulnerability that allows a privileged attacker to compromise the confidentiality, integrity, and availability of the host system by deserializing untrusted or malicious content.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
SAP users must have an account to log in and access the patch: https://me.sap.com/notes/3604119 ; https://nvd.nist.gov/vuln/detail/CVE-2025-42999
Public PoC/Exploit Available at Github
CVE-2025-42999 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-42999.
| URL | Resource |
|---|---|
| https://me.sap.com/notes/3604119 | Permissions Required |
| https://url.sap/sapsecuritypatchday | Not Applicable |
| https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/ | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-42999 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-42999 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 16, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:sap:netweaver:7.5:*:*:*:*:*:*:* Added Reference Type SAP SE: https://me.sap.com/notes/3604119 Types: Permissions Required Added Reference Type CVE: https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/ Types: Exploit, Third Party Advisory Added Reference Type SAP SE: https://url.sap/sapsecuritypatchday Types: Not Applicable -
CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
May. 16, 2025
Action Type Old Value New Value Added Date Added 2025-05-15 Added Due Date 2025-06-05 Added Required Action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Added Vulnerability Name SAP NetWeaver Deserialization Vulnerability -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
May. 13, 2025
Action Type Old Value New Value Added Reference https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/ -
CVE Modified by [email protected]
May. 13, 2025
Action Type Old Value New Value Changed Description SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system.Note: Customers who have implemented the security note 3594142 should also implement this security note 3604119. SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system. -
New CVE Received by [email protected]
May. 13, 2025
Action Type Old Value New Value Added Description SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system.Note: Customers who have implemented the security note 3594142 should also implement this security note 3604119. Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Added CWE CWE-502 Added Reference https://me.sap.com/notes/3604119 Added Reference https://url.sap/sapsecuritypatchday
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-42999 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-42999
weaknesses.