How severe is CVE-2024-21738?

CVE-2024-21738 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-21738 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21738?

CVE-2024-21738 primarily affects Sap Netweaver Application Server Abap. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21738?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-21738 have an EU (EUVD) identifier?

Yes. CVE-2024-21738 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19353.

When was CVE-2024-21738 published?

CVE-2024-21738 was published on 2024-01-09 and last updated on 2026-06-17.

CVE-2024-21738

CVE-2024-21738 is a medium-severity vulnerability in Sap Netweaver Application Server Abap with a CVSS 3.x base score of 4.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.1)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19353
Weakness: CWE-79
Affected product: Sap Netweaver Application Server Abap
Published: 2024-01-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-21738?: 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.
How severe is CVE-2024-21738?: CVE-2024-21738 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-21738 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21738?: CVE-2024-21738 primarily affects Sap Netweaver Application Server Abap. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21738?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21738 have an EU (EUVD) identifier?: Yes. CVE-2024-21738 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19353.
When was CVE-2024-21738 published?: CVE-2024-21738 was published on 2024-01-09 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:a:sap:netweaver_application_server_abap:79:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:700:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:701:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:702:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:731:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:740:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:750:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:751:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:752:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:753:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:754:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:755:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:756:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:757:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:758:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:793:*:*:*:sap_basis:*:*:*

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