CVE-2021-43669
Last modified
CVE-2021-43669 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.09% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linuxfoundation | Fabric | 1.4.0 |
| Linuxfoundation | Fabric | 2.0.0 |
| Linuxfoundation | Fabric | 2.0.1 |
| Linuxfoundation | Fabric | 2.3.0 |
References
- https://github.com/hyperledger/fabric/pull/2828Patch, Third Party Advisory
- https://jira.hyperledger.org/browse/FAB-18528Vendor Advisory
- https://github.com/hyperledger/fabric/pull/2828Patch, Third Party Advisory
- https://jira.hyperledger.org/browse/FAB-18528Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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