CVE-2021-43669

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2021-43669
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-11-18T16:15:09
  • Last Modified Date
  • 2021-11-23T17:12:23
Weakness Enumerations
CWE URL
CWE-444 http://cwe.mitre.org/data/definitions/444.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:linuxfoundation:fabric:1.4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linuxfoundation:fabric:2.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linuxfoundation:fabric:2.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linuxfoundation:fabric:2.3.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://jira.hyperledger.org/browse/FAB-18528 Vendor Advisory
https://github.com/hyperledger/fabric/pull/2828 Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-43669
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43669
History
Created Old Value New Value Data Type Notes
2022-05-10 06:45:18 Added to TrackCVE
2022-12-05 14:49:23 2021-11-18T16:15Z 2021-11-18T16:15:09 CVE Published Date updated
2022-12-05 14:49:23 2021-11-23T17:12:23 CVE Modified Date updated
2022-12-05 14:49:24 Analyzed Vulnerability Status updated