What is the CVSS score of CVE-2024-21738?

CVE-2024-21738 has a CVSS 3.1 base score of 4.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N. EPSS exploitation probability: 0.2%.

Which versions of Netweaver Application Server Abap are 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.

How to fix or mitigate CVE-2024-21738?

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

Netweaver Application Server Abap CVE-2024-21738

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2024-01-09 cna@sap.com

XSS SAP Netweaver Application Server Abap

4.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.1 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionCVE.org

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.

AnalysisAI

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 ContextAI

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.

RemediationAI

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.