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CVE-2021-27635 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

CNA: [email protected]CVSS-B:9 CRITICALVector:CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://packetstormsecurity.com/files/164592/SAP-JAVA-NetWeaver-System-Connections-XML-Injection.html	CVE	PatchThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2021/Oct/28	CVE	Mailing ListPatchThird Party Advisory
https://launchpad.support.sap.com/#/notes/3053066	CVE	Permissions RequiredVendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999	CVE	Vendor Advisory
http://packetstormsecurity.com/files/164592/SAP-JAVA-NetWeaver-System-Connections-XML-Injection.html	[email protected]	PatchThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2021/Oct/28	[email protected]	Mailing ListPatchThird Party Advisory
https://launchpad.support.sap.com/#/notes/3053066	[email protected]	Permissions RequiredVendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999	[email protected]	Vendor Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-611	Improper Restriction of XML External Entity Reference	[email protected]

Affected Products

Product	Versions
sap netweaver application server for java	7.20 7.30 7.31 7.40 7.50
CPE 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:::::::* Remediation No remediation found in references.

Product

Versions

sap netweaver application server for java

7.20

7.30

7.31

7.40

7.50

CPE

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:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 4, 2021	Modified Analysis	[email protected]
Oct 22, 2021	CVE Modified	[email protected]
Oct 22, 2021	CVE Modified	[email protected]
Jun 16, 2021	Initial Analysis	[email protected]