CVE-2021-20400

Severity Score

7.5

*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 and 7.4 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 196074.

IBM QRadar SIEM versiones 7.3 y 7.4, usa algoritmos criptográficos más débiles de lo esperado que podrían permitir a un atacante descifrar información altamente confidencial. IBM X-Force ID: 196074

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-17 CVE Reserved
2021-12-01 CVE Published
2024-07-06 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-326: Inadequate Encryption Strength

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://www.ibm.com/support/pages/node/6520488	2021-12-02

URL	Date	SRC
https://exchange.xforce.ibmcloud.com/vulnerabilities/196074	2021-12-02

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"	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"	7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.3.3"	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"	7.3.3 Search vendor "Ibm" for product "Qradar Security Information And Event Manager" and version "7.3.3"	fix_pack_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"	fix_pack_4	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"	fix_pack_5	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"	fix_pack_6	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"	fix_pack_7	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"	fix_pack_8	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"	fix_pack_9	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