Is CVE-2017-3257 in the CISA KEV catalog?

No. CVE-2017-3257 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-3257?

CVE-2017-3257 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2017-3257?

CVE-2017-3257 has an EPSS score of 2.59% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-3257?

Upgrade MariaDB to 10.0.29 or later.

CVE & CISA-KEV Catalog

CVE-2017-3257

MEDIUMEPSS 83th pctl

6.5

CVSS v3

NVD

Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: InnoDB). Supported versions that are affected are 5.6.34 and earlier5.7.16 and earlier. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS v3.0 Base Score 6.5 (Availability impacts).

CWE-269Improper Privilege Management

How to fix

Remediation Available

MariaDBWindows application

Affected:10.0.0 10.0.29Fixed in:10.0.29MariaDB Corporation Ab

Affected:10.2.0 10.2.8Fixed in:10.2.8MariaDB Corporation Ab

Affected:10.1.0 10.1.21Fixed in:10.1.21MariaDB Corporation Ab

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.59%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Patch1

oracle.com

Third-Party Advisory9

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	Fix

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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 2026-05-13.