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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.

1749 vulnerabilities reference this CWE, most recent first.

CVE-2024-45294 (GCVE-0-2024-45294)

Vulnerability from cvelistv5 – Published: 2024-09-06 15:46 – Updated: 2024-09-06 16:56
VLAI
Title
`org.hl7.fhir.core` XXE vulnerability in XSLT transforms
Summary
The HL7 FHIR Core Artifacts repository provides the java core object handling code, with utilities (including validator), for the Fast Healthcare Interoperability Resources (FHIR) specification. Prior to version 6.3.23, XSLT transforms performed by various components are vulnerable to XML external entity injections. A processed XML file with a malicious DTD tag could produce XML containing data from the host system. This impacts use cases where org.hl7.fhir.core is being used to within a host where external clients can submit XML. This issue has been patched in release 6.3.23. No known workarounds are available.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-06 16:15 UTC
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
hapifhir org.hl7.fhir.core Affected: < 6.3.23
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CVE-2024-45293 (GCVE-0-2024-45293)

Vulnerability from cvelistv5 – Published: 2024-10-07 20:03 – Updated: 2024-10-07 20:25
VLAI
Title
XML External Entity Reference (XXE) in PHPSpreadsheet's XLSX reader
Summary
PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. The security scanner responsible for preventing XXE attacks in the XLSX reader can be bypassed by slightly modifying the XML structure, utilizing white-spaces. On servers that allow users to upload their own Excel (XLSX) sheets, Server files and sensitive information can be disclosed by providing a crafted sheet. The security scan function in src/PhpSpreadsheet/Reader/Security/XmlScanner.php contains a flawed XML encoding check to retrieve the input file's XML encoding in the toUtf8 function. The function searches for the XML encoding through a defined regex which looks for `encoding="*"` and/or `encoding='*'`, if not found, it defaults to the UTF-8 encoding which bypasses the conversion logic. This logic can be used to pass a UTF-7 encoded XXE payload, by utilizing a whitespace before or after the = in the attribute definition. Sensitive information disclosure through the XXE on sites that allow users to upload their own excel spreadsheets, and parse them using PHPSpreadsheet's Excel parser. This issue has been addressed in release versions 1.29.1, 2.1.1, and 2.3.0. All users are advised to upgrade. There are no known workarounds for this vulnerability.
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 2024-10-07 20:23 UTC
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
PHPOffice PhpSpreadsheet Affected: >= 2.2.0, < 2.3.0
Affected: < 1.29.1
Affected: >= 2.0.0, < 2.1.1
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phpoffice phpspreadsheet Affected: 2.2.0 , < 2.3.0 (custom)
Affected: 0 , < 1.29.1 (custom)
Affected: 2.0.0 , < 2.1.1 (custom)
    cpe:2.3:a:phpoffice:phpspreadsheet:*:*:*:*:*:*:*:*
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Show details on NVD website
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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:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
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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:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
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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
Show details on NVD website
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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)
Create a notification for this product.
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
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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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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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