SAP NetWeaver AS ABAP Cross-Site Scripting (XSS) (June 2021)

medium Nessus Plugin ID 150753

Synopsis

The remote SAP NetWeaver server is affected by a Cross-Site Scripting vulnerability.

Description

A reflected cross-site scripting (XSS) vulnerability exists in BSP-Pages within Websurvey due to improper encoding of input and output parameters. An unauthenticated, remote attacker can exploit this, to execute arbitrary script code in a user's browser session.

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

Solution

Apply the appropriate patch according to the vendor advisory.

See Also

https://launchpad.support.sap.com/#/notes/3004043

http://www.nessus.org/u?98cbee9d

Plugin Details

Severity: Medium

ID: 150753

File Name: sap_netweaver_as_3004043.nasl

Version: 1.3

Type: remote

Family: Web Servers

Published: 6/14/2021

Updated: 6/16/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2021-21490

CVSS v3

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: CVSS:3.0/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: 6/8/2021

Vulnerability Publication Date: 6/8/2021

Reference Information

CVE: CVE-2021-21490

IAVA: 2021-A-0281