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-2024-45086 (GCVE-0-2024-45086)

Vulnerability from cvelistv5 – Published: 2024-11-04 19:29 – Updated: 2024-11-04 20:51
VLAI
Title
IBM WebSphere Application Server XML external entity injection
Summary
IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A privileged user could exploit this vulnerability to expose sensitive information or consume memory resources.
Severity
5.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-04 20:51 UTC
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
IBM WebSphere Application Server Affected: 8.5, 9.0
    cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
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CVE-2024-45072 (GCVE-0-2024-45072)

Vulnerability from cvelistv5 – Published: 2024-10-16 16:12 – Updated: 2024-10-16 18:38
VLAI
Title
IBM WebSphere Application Server XML external entity injection
Summary
IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A privileged user could exploit this vulnerability to expose sensitive information or consume memory resources.
Severity
5.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-16 18:23 UTC
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
IBM WebSphere Application Server Affected: 8.5, 9.0
    cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
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CVE-2024-45048 (GCVE-0-2024-45048)

Vulnerability from cvelistv5 – Published: 2024-08-28 20:38 – Updated: 2024-08-29 13:10
VLAI
Title
XML External Entity Reference (XXE) in PHPSpreadsheet
Summary
PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Affected versions are subject to a bypassing of a filter which allows for an XXE-attack. This in turn allows attacker to obtain contents of local files, even if error reporting is muted. This vulnerability has been addressed in release version 2.2.1. All users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-29 13:08 UTC
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
PHPOffice PhpSpreadsheet Affected: < 2.2.1
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phpspreadsheet_project phpspreadsheet Affected: 0 , < 2.2.1 (custom)
    cpe:2.3:a:phpspreadsheet_project:phpspreadsheet:*:*:*:*:*:*:*:*
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CVE-2024-42185 (GCVE-0-2024-42185)

Vulnerability from cvelistv5 – Published: 2025-01-23 02:10 – Updated: 2025-01-23 14:51
VLAI
Title
HCL BigFix Patch Download Plug-ins are affected by an insecure package which is susceptible to XML injection attacks
Summary
BigFix Patch Download Plug-ins are affected by an insecure package which is susceptible to XML injection attacks. This allows an attacker to exploit this vulnerability by injecting malicious XML content, which can lead to various issues including denial of service and unauthorized access.
Severity
2.5 (Low)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-23 14:51 UTC
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Date Public
2025-01-21 20:08
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CVE-2024-40896 (GCVE-0-2024-40896)

Vulnerability from cvelistv5 – Published: 2024-12-23 00:00 – Updated: 2025-02-28 13:07
VLAI
Summary
In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3, the SAX parser can produce events for external entities even if custom SAX handlers try to override entity content (by setting "checked"). This makes classic XXE attacks possible.
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-24 02:10 UTC
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
libxml2 libxml2 Affected: 2.11.0 , < 2.11.9 (semver)
Affected: 2.12.0 , < 2.12.9 (semver)
Affected: 2.13.0 , < 2.13.3 (semver)
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Show details on NVD website
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CVE-2024-39847 (GCVE-0-2024-39847)

Vulnerability from cvelistv5 – Published: 2026-04-30 07:10 – Updated: 2026-05-17 22:18
VLAI
Title
Arbitrary File Read and Server Side Request Forgery via XML External Entities in 4D Server SOAP
Summary
Unauthenticated attackers can exploit a weakness in the XML parser functionality of the SOAP endpoints in 4D server. This allows them to obtain read access to files on the application server and adjacent network shares, and perform HTTP GET requests to arbitrary services.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/AU:Y
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-30 13:00 UTC
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
4D 4D Server Affected: * , ≤ v20 R3 (custom)
Unknown: v20 R4 , ≤ v20 R6 (custom)
Unaffected: v20 R7 (custom)
    cpe:2.3:a:4d:4d_server:*:*:windows:*:*:*:*:*
Create a notification for this product.
Credits
Marcelo Reyes of SCHUTZWERK GmbH
Show details on NVD website
To clipboard 

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CVE-2024-39726 (GCVE-0-2024-39726)

Vulnerability from cvelistv5 – Published: 2024-11-15 16:13 – Updated: 2024-11-15 17:15
VLAI
Title
IBM Engineering Insights XML external entity injection
Summary
IBM Engineering Lifecycle Optimization - Engineering Insights 7.0.2 and 7.0.3 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-15 17:15 UTC
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
IBM Engineering Insights Affected: 7.0.2, 7.0.3
    cpe:2.3:a:ibm:engineering_insights:7.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:engineering_insights:7.0.3:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2024-39586 (GCVE-0-2024-39586)

Vulnerability from cvelistv5 – Published: 2024-10-09 06:48 – Updated: 2024-10-09 13:25
VLAI
Summary
Dell AppSync Server, version 4.3 through 4.6, contains an XML External Entity Injection vulnerability. An adjacent high privileged attacker could potentially exploit this vulnerability, leading to information disclosure.
Severity
2.9 (Low)
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-09 13:17 UTC
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
Dell AppSync Affected: 4.3.0.0 , ≤ 4.6.0.0 (semver)
Create a notification for this product.
Date Public
2024-10-09 05:30
Credits
Dell would like to thank B4gpipe for reporting this issue
Show details on NVD website
To clipboard 

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CVE-2024-38374 (GCVE-0-2024-38374)

Vulnerability from cvelistv5 – Published: 2024-06-28 18:01 – Updated: 2024-08-02 04:04
VLAI
Title
Improper Restriction of XML External Entity Reference in org.cyclonedx:cyclonedx-core-java
Summary
The CycloneDX core module provides a model representation of the SBOM along with utilities to assist in creating, validating, and parsing SBOMs. Before deserializing CycloneDX Bill of Materials in XML format, _cyclonedx-core-java_ leverages XPath expressions to determine the schema version of the BOM. The `DocumentBuilderFactory` used to evaluate XPath expressions was not configured securely, making the library vulnerable to XML External Entity (XXE) injection. This vulnerability has been fixed in cyclonedx-core-java version 9.0.4.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-01 18:05 UTC
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
CycloneDX cyclonedx-core-java Affected: >= 2.1.0, < 9.0.4
Create a notification for this product.
cyclonedx cyclonedx_core_java Affected: 2.1.0 , < 9.0.4 (custom)
    cpe:2.3:a:cyclonedx:cyclonedx_core_java:2.1.0:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2024-34711 (GCVE-0-2024-34711)

Vulnerability from cvelistv5 – Published: 2025-06-10 14:33 – Updated: 2025-06-10 15:08
VLAI
Title
GeoServer has improper ENTITY_RESOLUTION_ALLOWLIST URI validation in XML Processing (SSRF)
Summary
GeoServer is an open source server that allows users to share and edit geospatial data. An improper URI validation vulnerability exists that enables an unauthorized attacker to perform XML External Entities (XEE) attack, then send GET request to any HTTP server. By default, GeoServer use PreventLocalEntityResolver class from GeoTools to filter out malicious URIs in XML entities before resolving them. The URI must match the regex (?i)(jar:file|http|vfs)[^?#;]*\\.xsd. But the regex leaves a chance for attackers to request to any HTTP server or limited file. Attacker can abuse this to scan internal networks and gain information about them then exploit further. GeoServer 2.25.0 and greater default to the use of ENTITY_RESOLUTION_ALLOWLIST and does not require you to provide a system property.
Severity
9.3 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-10 15:08 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-611 - Improper Restriction of XML External Entity Reference
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
geoserver geoserver Affected: < 2.25.0
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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