Common Weakness Enumeration

CWE-611

Allowed

Improper Restriction of XML External Entity Reference

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

1745 vulnerabilities reference this CWE, most recent first.

CVE-2021-40439 (GCVE-0-2021-40439)

Vulnerability from cvelistv5 – Published: 2021-10-07 15:50 – Updated: 2024-08-04 02:44
VLAI
Title
Billion Laughs
Summary
Apache OpenOffice has a dependency on expat software. Versions prior to 2.1.0 were subject to CVE-2013-0340 a "Billion Laughs" entity expansion denial of service attack and exploit via crafted XML files. ODF files consist of a set of XML files. All versions of Apache OpenOffice up to 4.1.10 are subject to this issue. expat in version 4.1.11 is patched.
Severity
No CVSS data available.
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache OpenOffice Affected: Apache OpenOffice , ≤ 4.1.10 (custom)
Affected: OpenOffice.org , ≤ 3.4 (custom)
Create a notification for this product.
Show details on NVD website
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CVE-2021-40356 (GCVE-0-2021-40356)

Vulnerability from cvelistv5 – Published: 2021-09-14 10:48 – Updated: 2024-08-04 02:44
VLAI
Summary
A vulnerability has been identified in Teamcenter V12.4 (All versions < V12.4.0.8), Teamcenter V13.0 (All versions < V13.0.0.7), Teamcenter V13.1 (All versions < V13.1.0.5), Teamcenter V13.2 (All versions < 13.2.0.2). The application contains a XML External Entity Injection (XXE) vulnerability. This could allow an attacker to view files on the application server filesystem.
Severity
No CVSS data available.
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2021-37178 (GCVE-0-2021-37178)

Vulnerability from cvelistv5 – Published: 2021-08-10 10:35 – Updated: 2024-08-04 01:16
VLAI
Summary
A vulnerability has been identified in Solid Edge SE2021 (All Versions < SE2021MP7). An XML external entity injection vulnerability in the underlying XML parser could cause the affected application to disclose arbitrary files to remote attackers by loading a specially crafted xml file.
Severity
No CVSS data available.
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
Siemens Solid Edge SE2021 Affected: All Versions < SE2021MP7
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-34706 (GCVE-0-2021-34706)

Vulnerability from cvelistv5 – Published: 2021-10-06 19:46 – Updated: 2024-11-07 21:48
VLAI
Title
Cisco Identity Services Engine XML External Entity Injection Vulnerability
Summary
A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to access sensitive information or conduct a server-side request forgery (SSRF) attack through an affected device. This vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability by uploading a crafted XML file that contains references to external entities. A successful exploit could allow the attacker to retrieve files from the local system, resulting in the disclosure of sensitive information, or cause the web application to perform arbitrary HTTP requests on behalf of the attacker.
Severity
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-07 21:40 UTC
CWE
Assigner
References
URL Tags
https://tools.cisco.com/security/center/content/C… vendor-advisoryx_refsource_CISCO
Impacted products
Date Public
2021-10-06 00:00
Show details on NVD website
To clipboard 

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CVE-2021-34436 (GCVE-0-2021-34436)

Vulnerability from cvelistv5 – Published: 2021-09-02 20:55 – Updated: 2024-08-04 00:12
VLAI
Summary
In Eclipse Theia 0.1.1 to 0.2.0, it is possible to exploit the default build to obtain remote code execution (and XXE) via the theia-xml-extension. This extension uses lsp4xml (recently renamed to LemMinX) in order to provide language support for XML. This is installed by default.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
The Eclipse Foundation Eclipse Theia Affected: 0.1.1
Affected: 0.1.2
Affected: 0.2.0-next.28bc2735
Affected: 0.2.0-next.41406d98
Affected: 0.2.0-next.a2958907
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-32972 (GCVE-0-2021-32972)

Vulnerability from cvelistv5 – Published: 2021-07-09 10:13 – Updated: 2024-08-03 23:33
VLAI
Summary
Panasonic FPWIN Pro, all Versions 7.5.1.1 and prior, allows an attacker to craft a project file specifying a URI that causes the XML parser to access the URI and embed the contents, which may allow the attacker to disclose information that is accessible in the context of the user executing software.
Severity
No CVSS data available.
CWE
  • CWE-611 - IMPROPER RESTRICTION OF XML EXTERNAL ENTITY REFERENCE CWE-611
Assigner
References
Impacted products
Vendor Product Version
n/a Panasonic FPWIN Pro Affected: All Versions 7.5.1.1 and prior
Show details on NVD website
To clipboard 

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CVE-2021-32754 (GCVE-0-2021-32754)

Vulnerability from cvelistv5 – Published: 2021-07-12 23:00 – Updated: 2024-08-03 23:33
VLAI
Title
Improper Restriction of XML External Entity Reference in de.tud.sse
Summary
FlowDroid is a data flow analysis tool. FlowDroid versions prior to 2.9.0 contained an XML external entity (XXE) vulnerability that allowed an attacker who had control over the source/sink definition file in XML format to read files from external locations. In order for this to occur, the XML-based format for sources and sinks had to be used and the attacker had to able control the source/sink definition file. The vulnerability was patched in version 2.9.0. As a workaround, do not allow untrusted entities to control the source/sink definition file.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2021-29620 (GCVE-0-2021-29620)

Vulnerability from cvelistv5 – Published: 2021-06-23 17:35 – Updated: 2024-08-03 22:11
VLAI
Title
XXE vulnerability on Launch import with externally-defined DTD file
Summary
Report portal is an open source reporting and analysis framework. Starting from version 3.1.0 of the service-api XML parsing was introduced. Unfortunately the XML parser was not configured properly to prevent XML external entity (XXE) attacks. This allows a user to import a specifically-crafted XML file which imports external Document Type Definition (DTD) file with external entities for extraction of secrets from Report Portal service-api module or server-side request forgery. This will be resolved in the 5.4.0 release.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
reportportal reportportal Affected: >= 3.1.0, < 5.4.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-29447 (GCVE-0-2021-29447)

Vulnerability from cvelistv5 – Published: 2021-04-15 21:10 – Updated: 2024-08-03 22:02
VLAI
Title
WordPress Authenticated XXE attack when installation is running PHP 8
Summary
Wordpress is an open source CMS. A user with the ability to upload files (like an Author) can exploit an XML parsing issue in the Media Library leading to XXE attacks. This requires WordPress installation to be using PHP 8. Access to internal files is possible in a successful XXE attack. This has been patched in WordPress version 5.7.1, along with the older affected versions via a minor release. We strongly recommend you keep auto-updates enabled.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
CWE
  • CWE-611 - {"CWE-611":"Improper Restriction of XML External Entity Reference"}
Assigner
References
Impacted products
Vendor Product Version
WordPress wordpress-develop Affected: >= 5.6.0, < 5.7.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-27604 (GCVE-0-2021-27604)

Vulnerability from cvelistv5 – Published: 2021-04-14 14:22 – Updated: 2024-08-03 21:26
VLAI
Summary
In order to prevent XML External Entity vulnerability in SAP NetWeaver ABAP Server and ABAP Platform (Process Integration - Enterprise Service Repository JAVA Mappings), versions - 7.10, 7.20, 7.30, 7.31, 7.40, 7.50, SAP recommends to refer this note.
Severity
7.7 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CWE
  • CWE-611 - XML External Entity (CWE-611)
Assigner
References
Impacted products
Vendor Product Version
SAP SE SAP Process Integration (Enterprise Service Repository JAVA Mappings) Affected: < 7.10
Affected: < 7.20
Affected: < 7.30
Affected: < 7.31
Affected: < 7.40
Affected: < 7.50
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation
Implementation System Configuration

Many XML parsers and validators can be configured to disable external entity expansion.

CAPEC-221: Data Serialization External Entities Blowup

This attack takes advantage of the entity replacement property of certain data serialization languages (e.g., XML, YAML, etc.) where the value of the replacement is a URI. A well-crafted file could have the entity refer to a URI that consumes a large amount of resources to create a denial of service condition. This can cause the system to either freeze, crash, or execute arbitrary code depending on the URI.

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