How to fix CVE-2025-27431?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is Java affected by CVE-2025-27431?

Organizations using User management functionality in SAP NetWeaver Application Server Java should be aware of moderate risk from CVE-2025-27431, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

CVE-2025-27431

MEDIUM

2025-03-11 [email protected]

5.4

CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 19:52 vuln.today

CVE Published

Mar 11, 2025 - 01:15 nvd

MEDIUM 5.4

Description

User management functionality in SAP NetWeaver Application Server Java is vulnerable to Stored Cross-Site Scripting (XSS). This could enable an attacker to inject malicious payload that gets stored and executed when a user accesses the functionality, hence leading to information disclosure or unauthorized data modifications within the scope of victim�s browser. There is no impact on availability.

Analysis

User management functionality in SAP NetWeaver Application Server Java is vulnerable to Stored Cross-Site Scripting (XSS). [CVSS 5.4 MEDIUM]

Technical Context

Classified as CWE-79 (Cross-site Scripting (XSS)). User management functionality in SAP NetWeaver Application Server Java is vulnerable to Stored Cross-Site Scripting (XSS). This could enable an attacker to inject malicious payload that gets stored and executed when a user accesses the functionality, hence leading to information disclosure or unauthorized data modifications within the scope of victim�s browser. There is no impact on availability.

Affected Products

User management functionality in SAP NetWeaver Application Server Java is vulnerable to Stored Cross-Site Scripting (XSS). This could enable an attack

Remediation

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +27

POC: 0

CVE-2025-27431 vulnerability details – vuln.today

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CVE-2025-27431

CVSS Vector

Lifecycle Timeline

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CVE-2025-27431

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

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External POC / Exploit Code