CVE-2021-21478
SAP Web Dynpro ABAP allow an attacker to redirect users to a malicious site due to Reverse...
SAP Web Dynpro ABAP allow an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
SAP Web Dynpro ABAP allow an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.
- Record
CVE-2021-21478- CVSS 3.0
- 4.7 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N - Updated
- 2026-11-02
EUVDEUVD-2021-8752
SAP Web Dynpro ABAP allow an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.
- Record
EUVD-2021-8752- CVSS 3.0
- 4.7 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6fxj-c35j-cj8x No score
SAP Web Dynpro ABAP allow an attacker to redirect users to a malicious site due to Reverse...
SAP Web Dynpro ABAP allow an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.
- Record
GHSA-6fxj-c35j-cj8x- Weakness
- CWE-601
- Updated
- 2026-11-02
NVD
SAP Web Dynpro ABAP allow an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.
- Record
CVE-2021-21478- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 3.0
- 4.7 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21478 is a medium vulnerability (CVSS 4.7) in Sap Web Dynpro Abap, published February 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 58th percentile. No source names a fixed version.