CVE-2022-31121

Hyperledger Fabric is a permissioned distributed ledger framework. In affected versions if a consensus client sends a malformed consensus request to an orderer it may crash the orderer node. A fix has been added in commit 0f1835949 which checks for missing consensus messages and returns an error to the consensus client should the message be missing. Users are advised to upgrade to versions 2.2.7 or v2.4.5. There are no known workarounds for this issue.

• CWE-20

• https://github.com/hyperledger/fabric/commit/0f18359493bcbd5f9f9d1a9b05adabfe5da23b06Patch, Third Party Advisory
• https://github.com/hyperledger/fabric/releases/tag/v2.2.7Release Notes, Third Party Advisory
• https://github.com/hyperledger/fabric/releases/tag/v2.4.5Release Notes, Third Party Advisory
• https://github.com/hyperledger/fabric/security/advisories/GHSA-72x4-cq6r-jp4pIssue Tracking, Third Party Advisory
• https://github.com/hyperledger/fabric/commit/0f18359493bcbd5f9f9d1a9b05adabfe5da23b06Patch, Third Party Advisory
• https://github.com/hyperledger/fabric/releases/tag/v2.2.7Release Notes, Third Party Advisory
• https://github.com/hyperledger/fabric/releases/tag/v2.4.5Release Notes, Third Party Advisory
• https://github.com/hyperledger/fabric/security/advisories/GHSA-72x4-cq6r-jp4pIssue Tracking, Third Party Advisory

Published

Jul 7, 2022

Last Modified

Jun 17, 2026

Status

Modified

• 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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