CVE-2021-20399

Severity Score

9.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA 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. IBM X-Force ID: 196073.

IBM Qradar SIEM versiones 7.3.0 hasta la versión 7.3.3 Parche 8 y versión 7.4.0 hasta la 7.4.3 GA es vulnerable a un ataque de inyección de entidad externa XML (XXE) al procesar datos XML. Un atacante remoto podría aprovechar esta vulnerabilidad para exponer información sensible o consumir recursos de memoria. ID de IBM X-Force: 196073.

*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

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

Low

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

2020-12-17 CVE Reserved
2021-07-27 CVE Published
2024-03-01 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-611: Improper Restriction of XML External Entity Reference

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://www.ibm.com/support/pages/node/6475263	2021-08-04

URL	Date	SRC
https://exchange.xforce.ibmcloud.com/vulnerabilities/196073	2021-08-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	>= 7.3.0 < 7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version " >= 7.3.0 < 7.3.3"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	>= 7.4.0 < 7.4.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version " >= 7.4.0 < 7.4.3"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.3.3"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.3.3"	p1	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.3.3"	p2	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.3.3"	p3	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.3.3"	p4	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.3.3"	p5	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.3.3"	p6	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.3.3"	p7	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.3.3"	p8	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.4.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.4.3"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.4.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.4.3"	fix_pack_1	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.4.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.4.3"	fix_pack_2	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Ibm Search vendor "Ibm"	Qradar Security Information And Event Manager Search vendor "Ibm" for product "Qradar Security Information And Event Manager"	7.4.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.4.3"	fix_pack_3	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe