CVE-2021-43669
HTTP Request Smuggling in github.com/hyperledger/fabric
7.5
HIGH
CVSS 3.1
EPSS 0.47%
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.
How to fix CVE-2021-43669
To remediate CVE-2021-43669, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.0 or later
Is CVE-2021-43669 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.4.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |