Medium severity · published Mar 10, 2021
CVE-2021-21491
SAP Netweaver Application Server Java (Applications based on WebDynpro Java) versions 7.00, 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allow an attacker to redirect users to a…
6.1
CVSS
0.7%
EPSS
No
On KEV
Description
SAP Netweaver Application Server Java (Applications based on WebDynpro Java) versions 7.00, 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allow an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Netweaver Application Server Java · Sap
7.00; 7.10; 7.11; 7.20; 7.30; 7.31; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-21491
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-21491
Permissions Required
https://launchpad.support.sap.com/#/notes/2976947
Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107
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