CVE-2021-27635

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-09 · updated 2026-06-17
Weakness: CWE-611

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.

Affected products

SAP NetWeaver AS for Java: 7.20, 7.30, 7.31, 7.40, 7.50

References

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

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