CVE-2021-31856
CVE-2021-31856 is a critical-severity vulnerability in Layer5 Meshery with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 75% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 75% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Layer5 Meshery
- Published:
- Last modified:
Description
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).
Frequently asked questions
- What is CVE-2021-31856?
- 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).
- How severe is CVE-2021-31856?
- CVE-2021-31856 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-31856 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 75% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-31856?
- CVE-2021-31856 affects Layer5 Meshery. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-31856?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-31856 published?
- CVE-2021-31856 was published on 2021-04-28 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:layer5:meshery:0.5.2:*:*:*:*:*:*:*
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