CVE-2021-27635 Information

Description

SAP NetWeaver AS for JAVA versions - 7.20 7.30 7.31 7.40 7.50 allows an attacker authenticated as an administrator to connect over a network and submit a specially crafted XML file in the application because of missing XML Validation this vulnerability enables attacker to fully compromise confidentiality by allowing them to read any file on the filesystem or fully compromise availability by causing the system to crash. The attack cannot be used to change any data so that there is no compromise as to integrity.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

Reference

https://launchpad.support.sap.com/#/notes/3053066 https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999 http://seclists.org/fulldisclosure/2021/Oct/28 http://packetstormsecurity.com/files/164592/SAP-JAVA-NetWeaver-System-Connections-XML-Injection.html

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5