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CVE-2022-31121

25
FAUCET Score

CVE-2022-31121 is a denial-of-service vulnerability affecting Hyperledger Fabric, where a malformed consensus request from a client can crash an orderer node. It has a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low complexity to achieve high availability impact. There are no known workarounds, but a fix is available in versions 2.2.7 and 2.4.5. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.2.7CPE matchmatch criteria
cpe:2.3:a:hyperledger:fabric:*:*:*:*:*:*:*:*
>= 2.3.0, < 2.4.5CPE matchmatch criteria
cpe:2.3:a:hyperledger:fabric:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.98%
Probability of exploitation in next 30 days
EPSS Percentile
78.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0198 is in the 62nd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/hyperledger/fabricFixed in: 2.2.7
gopatch availablevia ghsa
Product: github.com/hyperledger/fabricFixed in: 2.4.5

Vendor Advisories (1)

goGHSA-72x4-cq6r-jp4phigh

Hyperledger Fabric vulnerable to Improper Input Validation in orderer/common/cluster consensus request

Jul 8, 2022

References

github.com / hyperledger/fabric/commit/0f18359493bcbd5f9f9d1a9b05adabfe5da23b06
PatchThird Party Advisory
github.com / hyperledger/fabric/releases/tag/v2.2.7
Release NotesThird Party Advisory
github.com / hyperledger/fabric/releases/tag/v2.4.5
Release NotesThird Party Advisory
github.com / hyperledger/fabric/security/advisories/GHSA-72x4-cq6r-jp4p
Issue TrackingThird Party Advisory