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CVE-2021-31856

CriticalPublished

A SQL Injection vulnerability in the REST API in Layer5 Meshery 0.5.2 allows an attacker to execute arbitrary SQL commands via the...

Published: Apr 28, 2021
Updated: Aug 3, 2024
Assigning CNA: mitre
Evidence observed: Aug 4, 2026

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

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

EPSS probability estimate

75.4%

High · next 30 days

Percentile: 99.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A SQL Injection vulnerability in the REST API in Layer5 Meshery 0.5.2 allows an attacker to execute arbitrary SQL commands via the /experimental/patternfiles endpoint (order parameter in GetMesheryPatterns in models/meshery_pattern_persister.go).

Sources

CVE-2021-31856PoC
Detailed CVE-2021-31856 report with PoC and code analysis for a SQL injection vulnerability in Meshery's pattern file API, enabling unauthenticated data extraction.

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