Cross-site scripting in SAP NetWeaver AS for ABAP
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 for ABAP (Web Survey), versions - 700, 702, 710, 711, 730, 731, 750, 750, 752, 75A, 75F, does not sufficiently encode input and output parameters which results in reflected cross site scripting vulnerability, through which a malicious user can access data relating to the current session and use it to impersonate a user and access all information with the same rights as the target user.
Why it matters now
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 for ABAP (Web Survey) | before 700; before 702; before 710; before 711; before 730; before 731; before 750; before 752; before 75A; before 75F | 700, 702, 710, 711, 730, 731, 750, 752, 75A, 75F | Patch available | CNA |
- SAP NetWeaver AS for ABAP (Web Survey) VendorSAP Affected before 700; before 702; before 710; before 711; before 730; before 731; before 750; before 752; before 75A; before 75F Fixed in 700, 702, 710, 711, 730, 731, 750, 752, 75A, 75F Patch available CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sap:netweaver_application_server_abap:75a:*:*:*:*:*:*:* | 75a | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:75f:*:*:*:*:*:*:* | 75f | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:700:*:*:*:*:*:*:* | 700 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:702:*:*:*:*:*:*:* | 702 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:710:*:*:*:*:*:*:* | 710 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:711:*:*:*:*:*:*:* | 711 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:730:*:*:*:*:*:*:* | 730 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:731:*:*:*:*:*:*:* | 731 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:750:*:*:*:*:*:*:* | 750 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_abap:752:*:*:*:*:*:*:* | 752 | Vulnerable | SAP |
- cpe:2.3:a:sap:netweaver_application_server_abap:75a:*:*:*:*:*:*:* Versions 75a Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:75f:*:*:*:*:*:*:* Versions 75f Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:700:*:*:*:*:*:*:* Versions 700 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:702:*:*:*:*:*:*:* Versions 702 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:710:*:*:*:*:*:*:* Versions 710 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:711:*:*:*:*:*:*:* Versions 711 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:730:*:*:*:*:*:*:* Versions 730 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_abap:731:*:*:*:*:*:*:* Versions 731 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:752:*:*:*:*:*:*:* Versions 752 Vulnerable ·SAP
Remediation
- Fix · CNA SAP NetWeaver AS for ABAP (Web Survey) (SAP SE) Fixed in 700, 702, 710, 711, 730, 731, 750, 752, 75A, 75F
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21490
- 2026-10-03 Alias added: GHSA-c8cw-5vg3-hjw3
References
More SAP Netweaver Application Server Abap vulnerabilities
- 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
Sources
- CVE-2021-21490 · CVE Program
- CVE-2021-21490 · NVD
- FIRST EPSS
- GHSA-c8cw-5vg3-hjw3 · GitHub Advisory Database · CC BY 4.0
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