How to fix CVE-2024-21738?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Verify Content-Security-Policy and output encoding.

Is Netweaver Application Server Abap affected by CVE-2024-21738?

CVE-2024-21738 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 4.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Organizations should apply vendor updates when available and monitor for exploitation.

CVE-2024-21738

MEDIUM

2024-01-09 [email protected]

4.1

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:34 vuln.today

CVE Published

Jan 09, 2024 - 02:15 nvd

MEDIUM 4.1

Description

SAP NetWeaver ABAP Application Server and ABAP Platform do not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability. An attacker with low privileges can cause limited impact to confidentiality of the application data after successful exploitation.

Analysis

SAP NetWeaver ABAP Application Server and ABAP Platform do not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability. Rated medium severity (CVSS 4.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. SAP NetWeaver ABAP Application Server and ABAP Platform do not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability. An attacker with low privileges can cause limited impact to confidentiality of the application data after successful exploitation. Affected products include: Sap Netweaver Application Server Abap.

Affected Products

Sap Netweaver Application Server Abap.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.2

CVSS: +20

POC: 0

CVE-2024-21738 vulnerability details – vuln.today

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CVE-2024-21738

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CVE-2024-21738

CVSS Vector

Lifecycle Timeline

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Description

Analysis

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