What is CVE-2022-45196?

CVE-2022-45196 is a high-severity vulnerability in Hyperledger Fabric, classified under Always-Incorrect Control Flow Implementation. CVSS score: 7.5/10. Published 2022-11-12.

How severe is CVE-2022-45196?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Hyperledger Fabric

CVE-2022-45196

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.

Published 2022-11-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (56.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000

Affected products

Hyperledger Fabric — versions 2.3

Weakness classification (CWE)

CWE-670 — Always-Incorrect Control Flow Implementation

References

github.com/SmartBFT-Go/fabric/issues/286 (Exploit, Third Party Advisory, Issue Tracking)
github.com/hyperledger/fabric/pull/2934 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-45196?: CVE-2022-45196 is a high-severity vulnerability in Hyperledger Fabric, classified under Always-Incorrect Control Flow Implementation. CVSS score: 7.5/10. Published 2022-11-12.
How severe is CVE-2022-45196?: High severity. CVSS v3 base score is 7.5 out of 10.