TI-2020-16298 Aliases CVE-2020-26835 GHSA-q8g9-phwg-wqq9

Cross-site scripting in SAP NetWeaver AS ABAP

LOW 29CWE-79Published 2020-12-09 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

SAP NetWeaver AS ABAP, versions - 740, 750, 751, 752, 753, 754 , does not sufficiently encode URL which allows an attacker to input malicious java script in the URL which could be executed in the browser resulting in Reflected Cross-Site Scripting (XSS) vulnerability.

Why it matters now

EPSS 0.00823 57th percentileScored 2026-11-07

Fix Fixed SAP NetWeaver AS ABAP (SAP SE): 740, 750, 751 +3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
SAP	SAP NetWeaver AS ABAP	before 740; before 750; before 751; before 752; before 753; before 754	740, 750, 751, 752, 753, 754	Patch available	CNA

SAP NetWeaver AS ABAP VendorSAP Affected before 740; before 750; before 751; before 752; before 753; before 754 Fixed in 740, 750, 751, 752, 753, 754 Patch available CNA

CPE configurations NVD · 6

CPE	Versions	Role	Vendor
cpe:2.3:a:sap:netweaver_application_server_abap:740:::::::*	740	Vulnerable	SAP
cpe:2.3:a:sap:netweaver_application_server_abap:750:::::::*	750	Vulnerable	SAP
cpe:2.3:a:sap:netweaver_application_server_abap:751:::::::*	751	Vulnerable	SAP
cpe:2.3:a:sap:netweaver_application_server_abap:752:::::::*	752	Vulnerable	SAP
cpe:2.3:a:sap:netweaver_application_server_abap:753:::::::*	753	Vulnerable	SAP
cpe:2.3:a:sap:netweaver_application_server_abap:754:::::::*	754	Vulnerable	SAP

cpe:2.3:a:sap:netweaver_application_server_abap:740:*:*:*:*:*:*:* Versions 740 Vulnerable ·SAP
cpe:2.3:a:sap:netweaver_application_server_abap:750:*:*:*:*:*:*:* Versions 750 Vulnerable ·SAP
cpe:2.3:a:sap:netweaver_application_server_abap:751:*:*:*:*:*:*:* Versions 751 Vulnerable ·SAP
cpe:2.3:a:sap:netweaver_application_server_abap:752:*:*:*:*:*:*:* Versions 752 Vulnerable ·SAP
cpe:2.3:a:sap:netweaver_application_server_abap:753:*:*:*:*:*:*:* Versions 753 Vulnerable ·SAP
cpe:2.3:a:sap:netweaver_application_server_abap:754:*:*:*:*:*:*:* Versions 754 Vulnerable ·SAP

Remediation

Fix · CNA SAP NetWeaver AS ABAP (SAP SE) Fixed in 740, 750, 751, 752, 753, 754

Timeline

2026-10-02 Threatist record created from CVE-2020-26835
2026-10-03 Alias added: GHSA-q8g9-phwg-wqq9

References

Advisory 1

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079

Other 1

https://launchpad.support.sap.com/#/notes/2996479

TI-2022-06811 SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP… KEVCVSS 3.1CRITICAL 10.0
TI-2023-21149 Missing Authorization check in SAP CommonCryptoLib CVSS 3.1CRITICAL 9.8
TI-2023-12229 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform CVSS 3.1CRITICAL 9.6
TI-2023-12228 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform CVSS 3.1CRITICAL 9.6
TI-2021-19921 Code injection in SAP ABAP Server & ABAP Platform CVSS 3.1CRITICAL 9.8
TI-2021-09062 Improper authentication in SAP NetWeaver AS ABAP and ABAP Platform CVSS 3.1CRITICAL 9.8

See all 85 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences