9.1
CRITICAL CVSS 3.1
CVE-2025-42966
SAP NetWeaver Java Deserialization Vulnerability
Description

SAP NetWeaver XML Data Archiving Service allows an authenticated attacker with administrative privileges to exploit an insecure Java deserialization vulnerability by sending a specially crafted serialized Java object. This could lead to high impact on confidentiality, integrity, and availability of the application.

INFO

Published Date :

July 8, 2025, 1:15 a.m.

Last Modified :

July 8, 2025, 4:18 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-42966 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL [email protected]
Solution
Address insecure Java deserialization by updating or patching affected SAP NetWeaver components.
  • Update SAP NetWeaver to the latest secure version.
  • Apply relevant security patches provided by SAP.
  • Review and restrict administrative privileges where possible.
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-2025-42966.

URL Resource
https://me.sap.com/notes/3610892
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-2025-42966 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-2025-42966 weaknesses.

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).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-42966 vulnerability anywhere in the article.

  • Help Net Security
Exploit for critical SAP Netweaver flaws released (CVE-2025-31324, CVE-2025-42999)

A working exploit concatenating two critical SAP Netweaver vulnerabilities (CVE-2025-31324, CVE-2025-42999) that have been previously exploited in the wild has been made public by VX Underground, Onap ... Read more

Published Date: Aug 20, 2025 (1 week ago)
  • CybersecurityNews
New Exploit for SAP 0-Day Vulnerability Allegedly Released in the Wild by ShinyHunters Hackers

Key Takeaways1. ShinyHunters publicly released exploits for critical SAP vulnerabilities.2. Unauthenticated attackers can achieve complete system takeover and remote code execution.3. Immediately appl ... Read more

Published Date: Aug 19, 2025 (1 week, 1 day ago)
  • The Hacker News
Public Exploit for Chained SAP Flaws Exposes Unpatched Systems to Remote Code Execution

Aug 19, 2025Ravie LakshmananVulnerability / Cyber Espionage A new exploit combining two critical, now-patched security flaws in SAP NetWeaver has emerged in the wild, putting organizations at risk o ... Read more

Published Date: Aug 19, 2025 (1 week, 1 day ago)
  • TheCyberThrone
SAP Patch Tuesday August 2025

August 13, 2025SAP’s August 2025 Patch Tuesday addresses 25–26 security issues with an emphasis on several critical vulnerabilities involving code injection and insecure deserialization. The updates p ... Read more

Published Date: Aug 13, 2025 (2 weeks ago)
  • Cyber Security News
SAP July 2025 Patch Day – Patch for 27 Vulnerabilities Including 7 Critical One’s

SAP has released its July 2025 Security Patch Day update, addressing a significant number of vulnerabilities across its enterprise software portfolio. The comprehensive security update includes 27 new ... Read more

Published Date: Jul 08, 2025 (1 month, 2 weeks ago)
  • Daily CyberSecurity
SAP’s July 2025 Patch Day Brings 27 New Notes, Multiple Critical RCE & Deserialization Flaws (CVSS 10.0)

SAP’s July 2025 Security Patch Day delivered a total of 27 new security notes and 3 updates to previously released advisories, with several critical vulnerabilities requiring immediate attention. Thes ... Read more

Published Date: Jul 08, 2025 (1 month, 2 weeks ago)

The following table lists the changes that have been made to the CVE-2025-42966 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.

  • New CVE Received by [email protected]

    Jul. 08, 2025

    Action Type Old Value New Value
    Added Description SAP NetWeaver XML Data Archiving Service allows an authenticated attacker with administrative privileges to exploit an insecure Java deserialization vulnerability by sending a specially crafted serialized Java object. This could lead to high impact on confidentiality, integrity, and availability of the application.
    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/3610892
    Added Reference https://url.sap/sapsecuritypatchday
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact