Is CVE-2022-45347 in the CISA KEV catalog?

No. CVE-2022-45347 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-45347?

CVE-2022-45347 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2022-45347?

CVE-2022-45347 has an EPSS score of 1.39% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-45347?

Upgrade shardingsphere to 5.3.0 or later.

CVE & CISA-KEV Catalog

CVE-2022-45347

CRITICAL

9.8

CVSS v3

NVD

Description

Apache ShardingSphere-Proxy prior to 5.3.0 when using MySQL as database backend didn't cleanup the database session completely after client authentication failed, which allowed an attacker to execute normal commands by constructing a special MySQL client. This vulnerability has been fixed in Apache ShardingSphere 5.3.0.

CWE-459

How to fix

Remediation Available

shardingsphereNVD

Affected:< 5.3.0Fixed in:5.3.0CVE-2022-45347derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.39%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Vendor Advisory1

lists.apache.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-15.