SAP NetWeaver AS JAVA Reverse Tabnabbing (2976947)

medium Nessus Plugin ID 147961


The remote SAP NetWeaver AS Java server may be affected by Reverse TabNabbing vulnerability


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.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Apply the appropriate patch according to the vendor advisory.

See Also

Plugin Details

Severity: Medium

ID: 147961

File Name: sap_netweaver_as_2976947.nasl

Version: 1.4

Type: remote

Family: Web Servers

Published: 3/23/2021

Updated: 6/3/2021

Configuration: Enable paranoid mode

Risk Information


Risk Factor: Low

Score: 3


Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2021-21491


Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:sap:netweaver_application_server

Required KB Items: installed_sw/SAP Netweaver Application Server (AS), Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 3/10/2021

Vulnerability Publication Date: 3/10/2021

Reference Information

CVE: CVE-2021-21491

IAVA: 2021-A-0138-S