CVE-2021-23926

XMLBeans XML Entity Expansion

Severity Score

9.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The XML parsers used by XMLBeans up to version 2.6.0 did not set the properties needed to protect the user from malicious XML input. Vulnerabilities include possibilities for XML Entity Expansion attacks. Affects XMLBeans up to and including v2.6.0.

Los analizadores XML usados por XMLBeans versiones hasta 2.6.0 no establecían las propiedades necesarias para proteger al usuario de entradas XML maliciosas. Unas vulnerabilidades incluyen posibilidades de ataques de Expansión de Entidades XML. Afecta a XMLBeans versiones hasta v2.6.0 incluyéndola

A flaw was found when parsing XML files using XMLBeans 2.6.0 or below. The underlying parser created by XMLBeans could be susceptible to XML External Entity (XXE) attacks. The highest threat from this vulnerability is to confidentiality and system availability.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-12 CVE Reserved
2021-01-14 CVE Published
2023-11-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

CAPEC

References (10)

URL	Tag	Source
https://lists.apache.org/thread.html/r2dc5588009dc9f0310b7382269f932cc96cae4c3901b747dda1a7fed%40%3Cjava-dev.axis.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/rbb01d10512098894cd5f22325588197532c64f1c818ea7e4120d40c1%40%3Cjava-dev.axis.apache.org%3E	Mailing List
https://lists.debian.org/debian-lts-announce/2021/06/msg00024.html	Mailing List
https://security.netapp.com/advisory/ntap-20210513-0004	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://www.oracle.com/security-alerts/cpujul2022.html	2023-11-07
https://www.oracle.com/security-alerts/cpuoct2021.html	2023-11-07

URL	Date	SRC
https://issues.apache.org/jira/browse/XMLBEANS-517	2023-11-07
https://poi.apache.org	2023-11-07
https://access.redhat.com/security/cve/CVE-2021-23926	2021-12-14
https://bugzilla.redhat.com/show_bug.cgi?id=1922102	2021-12-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"		Xmlbeans Search vendor "Apache" for product "Xmlbeans"				<= 2.6.0 Search vendor "Apache" for product "Xmlbeans" and version " <= 2.6.0"		-		Affected
Netapp Search vendor "Netapp"		Oncommand Unified Manager Core Package Search vendor "Netapp" for product "Oncommand Unified Manager Core Package"				-		-		Affected
Netapp Search vendor "Netapp"		Snap Creator Framework Search vendor "Netapp" for product "Snap Creator Framework"				-		-		Affected
Netapp Search vendor "Netapp"		Snapmanager Search vendor "Netapp" for product "Snapmanager"				-		oracle		Affected
Netapp Search vendor "Netapp"		Snapmanager Search vendor "Netapp" for product "Snapmanager"				-		sap		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Oracle Search vendor "Oracle"		Middleware Common Libraries And Tools Search vendor "Oracle" for product "Middleware Common Libraries And Tools"				12.2.1.3.0 Search vendor "Oracle" for product "Middleware Common Libraries And Tools" and version "12.2.1.3.0"		-		Affected
Oracle Search vendor "Oracle"		Middleware Common Libraries And Tools Search vendor "Oracle" for product "Middleware Common Libraries And Tools"				12.2.1.4.0 Search vendor "Oracle" for product "Middleware Common Libraries And Tools" and version "12.2.1.4.0"		-		Affected
Oracle Search vendor "Oracle"		Peoplesoft Enterprise Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools"				8.57 Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" and version "8.57"		-		Affected
Oracle Search vendor "Oracle"		Peoplesoft Enterprise Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools"				8.58 Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" and version "8.58"		-		Affected
Oracle Search vendor "Oracle"		Peoplesoft Enterprise Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools"				8.59 Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" and version "8.59"		-		Affected