What is CVE-2022-36023?

CVE-2022-36023 is a high-severity vulnerability in Hyperledger Fabric, classified under Improper Input Validation. CVSS score: 7.0/10. Published 2022-08-18.

How severe is CVE-2022-36023?

High severity. CVSS v3 base score is 7.0 out of 10.

Improper input validation in Hyperledger Fabric

CVE-2022-36023

Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. If a gateway client application sends a malformed request to a gateway peer it may crash the peer node. Version 2.4.6 checks for the malformed gateway request and returns an error to the gateway client. There are no known workarounds, users must upgrade to version 2.4.6.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-08-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000

Affected products

Hyperledger Fabric — versions < 2.4.6

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

github.com/hyperledger/fabric/security/advisories/GHSA-qj6r-fhrc-jj5r (Third Party Advisory)
github.com/hyperledger/fabric/releases/tag/v2.4.6 (Release Notes)
github.com/hyperledger/fabric/pull/3572 (Patch)
github.com/hyperledger/fabric/pull/3576 (Patch)
github.com/hyperledger/fabric/pull/3577 (Patch)

Frequently asked questions

What is CVE-2022-36023?: CVE-2022-36023 is a high-severity vulnerability in Hyperledger Fabric, classified under Improper Input Validation. CVSS score: 7.0/10. Published 2022-08-18.
How severe is CVE-2022-36023?: High severity. CVSS v3 base score is 7.0 out of 10.