CVE-2021-43669

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.0.1, v2.3.0. It can easily break down as many orderers as the attacker wants. This bug can be leveraged by constructing a message whose header is invalid to the interface Order. This bug has been admitted and fixed by the developers of Fabric.

Se ha detectado una vulnerabilidad en HyperLedger Fabric versiones v1.4.0, v2.0.0, v2.0.1, v2.3.0. Puede romper fácilmente tantos ordenadores como el atacante quiera. Este bug puede ser aprovechado al construir un mensaje cuyo encabezado no sea válida para la interfaz Orden. Este bug ha sido admitido y corregido por los desarrolladores de Fabric.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-11-15 CVE Reserved
2021-11-18 CVE Published
2024-08-03 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://github.com/hyperledger/fabric/pull/2828	2021-11-23

URL	Date	SRC
https://jira.hyperledger.org/browse/FAB-18528	2021-11-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linuxfoundation Search vendor "Linuxfoundation"		Fabric Search vendor "Linuxfoundation" for product "Fabric"				1.4.0 Search vendor "Linuxfoundation" for product "Fabric" and version "1.4.0"		-		Affected
Linuxfoundation Search vendor "Linuxfoundation"		Fabric Search vendor "Linuxfoundation" for product "Fabric"				2.0.0 Search vendor "Linuxfoundation" for product "Fabric" and version "2.0.0"		-		Affected
Linuxfoundation Search vendor "Linuxfoundation"		Fabric Search vendor "Linuxfoundation" for product "Fabric"				2.0.1 Search vendor "Linuxfoundation" for product "Fabric" and version "2.0.1"		-		Affected
Linuxfoundation Search vendor "Linuxfoundation"		Fabric Search vendor "Linuxfoundation" for product "Fabric"				2.3.0 Search vendor "Linuxfoundation" for product "Fabric" and version "2.3.0"		-		Affected