SAP NetWeaver AS ABAP Code Injection (December 2021)

medium Nessus Plugin ID 156226

Synopsis

The remote SAP NetWeaver ABAP server is affected by code injection vulnerability.

Description

A code injection vulnerability may be present in SAP NetWeaver Application Server ABAP. Two methods of a utility class in SAP NetWeaver AS ABAP - versions 700, 701, 702, 710, 711, 730, 731, 740, 750, 751, 752, 753, 754, 755, 756, allow an attacker with high privileges and has direct access to SAP System, to inject code when executing with a certain transaction class builder. This could allow execution of arbitrary commands on the operating system, that could highly impact the Confidentiality, Integrity and Availability of the system.

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

http://www.nessus.org/u?e388843b

https://launchpad.support.sap.com/#/notes/3123196

Plugin Details

Severity: Medium

ID: 156226

File Name: sap_netweaver_as_abap_dec_2021.nasl

Version: 1.2

Type: remote

Family: Web Servers

Published: 12/21/2021

Updated: 12/22/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-44235

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:sap:netweaver_application_server

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/14/2021

Vulnerability Publication Date: 12/14/2021

Reference Information

CVE: CVE-2021-44235

IAVA: 2021-A-0599