What’s Vulnerable › Vulnerabilities

CVE-2022-45196

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-11-12 · updated 2026-06-17
• Weakness: CWE-670

Description

Hyperledger Fabric 2.3 allows attackers to cause a denial of service (orderer crash) by repeatedly sending a crafted channel tx with the same Channel name. NOTE: the official Fabric with Raft prevents exploitation via a locking mechanism and a check for names that already exist.

Affected products

• hyperledger fabric: 2.3

References

• https://github.com/SmartBFT-Go/fabric/issues/286
• https://github.com/hyperledger/fabric/pull/2934
• https://github.com/SmartBFT-Go/fabric/issues/286
• https://github.com/hyperledger/fabric/pull/2934

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