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CVE-2021-27635

MEDIUM
6.5
CVSS Score
Published: June 9, 2021 at 01:30 PM UTC
Updated: June 17, 2026 at 03:45 AM UTC
1 product affected across 1 vendorNetweaver Application Server for Java

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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Netweaver Application Server for Java· SAP
95%
v < 7.20v < 7.30v < 7.31v < 7.40v < 7.507.207.307.317.407.50
Affected range stops below 7.20, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.30, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.31, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.40, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.50, so it looks safe — our inference, not a vendor statement

References (4)

x_refsource_MISCPatchThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/164592/SAP-JAVA-NetWeaver-System-Connections-XML-Injection.html
Mailing Listx_refsource_FULLDISCPatchThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2021/Oct/28
x_refsource_MISCPermissions RequiredVendor Advisory
Source: [email protected]
https://launchpad.support.sap.com/#/notes/3053066
x_refsource_MISCVendor Advisory
Source: [email protected]
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-611

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