Is CVE-2017-3320 in the CISA KEV catalog?

No. CVE-2017-3320 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-3320?

CVE-2017-3320 has a CVSS v3 base score of 2.4 (LOW).

What is the EPSS score for CVE-2017-3320?

CVE-2017-3320 has an EPSS score of 0.78% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-3320?

Upgrade mysql-5.5 on ubuntu 14.04 to 5.5.54-0ubuntu0.14.04.1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-3320

LOW

2.4

CVSS v3

NVD

Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Security: Encryption). Supported versions that are affected are 5.7.16 and earlier. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS v3.0 Base Score 2.4 (Confidentiality impacts).

How to fix

Remediation Available

mysql-5.5Ubuntu

Fixed in:5.5.54-0ubuntu0.14.04.1USN-3174-1

mysql-5.7Ubuntu

Fixed in:5.7.17-0ubuntu0.16.04.1USN-3174-1

mysql-server-5.5Ubuntu

Fixed in:5.5.54-0ubuntu0.14.04.1USN-3174-1

mysql-server-5.7Ubuntu

Fixed in:5.7.17-0ubuntu0.16.04.1USN-3174-1

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 RequiredHigh

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N

Exploit Intelligence

0.78%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Patch1

oracle.com

Other references4

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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.