VulnerabilityModified
CVE-2021-43667
A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.1.0.
HIGH 7.5EPSS 1.34%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability has been detected in HyperLedger Fabric v1.4.0, v2.0.0, v2.1.0. This bug can be leveraged by constructing a message whose payload is nil and sending this message with the method 'forwardToLeader'. This bug has been admitted and fixed by the developers of Fabric. If leveraged, any leader node will crash.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.34% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linuxfoundation/fabric
- Source
- cve@mitre.org
References
- https://github.com/hyperledger/fabric/pull/2844Patch, Third Party Advisory
- https://jira.hyperledger.org/browse/FAB-18529Exploit, Vendor Advisory
- https://github.com/hyperledger/fabric/pull/2844Patch, Third Party Advisory
- https://jira.hyperledger.org/browse/FAB-18529Exploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.