CVE-2021-27635

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 v3.0 6.5 MEDIUM
CVSS v2.0 5.5 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:N/A:P

Exploitability : 8.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://launchpad.support.sap.com/#/notes/3053066	Permissions Required Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999	Vendor Advisory
http://seclists.org/fulldisclosure/2021/Oct/28	Mailing List Patch Third Party Advisory
http://packetstormsecurity.com/files/164592/SAP-JAVA-NetWeaver-System-Connections-XML-Injection.html	Patch Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:sap:netweaver_application_server_for_java:7.20:::::::*
	cpe:2.3:a:sap:netweaver_application_server_for_java:7.30:::::::*
	cpe:2.3:a:sap:netweaver_application_server_for_java:7.31:::::::*
	cpe:2.3:a:sap:netweaver_application_server_for_java:7.40:::::::*
	cpe:2.3:a:sap:netweaver_application_server_for_java:7.50:::::::*

Information

Published : 2021-06-09 07:15

Updated : 2021-11-04 06:07

NVD link : CVE-2021-27635

Mitre link : CVE-2021-27635

JSON object : View

CWE

CWE-611

Improper Restriction of XML External Entity Reference

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Products Affected

sap

netweaver_application_server_for_java

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