Is CVE-2017-3455 in the CISA KEV catalog?

No. CVE-2017-3455 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-3455?

CVE-2017-3455 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2017-3455?

CVE-2017-3455 has an EPSS score of 1.37% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-3455?

Upgrade mysql-5.5 on ubuntu 14.04 to 5.5.55-0ubuntu0.14.04.1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-3455

MEDIUM

5.4

CVSS v3

NVD

Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Security: Privileges). Supported versions that are affected are 5.7.17 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 update, insert or delete access to some of MySQL Server accessible data as well as unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.0 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).

How to fix

Remediation Available

mysql-5.5Ubuntu

Fixed in:5.5.55-0ubuntu0.14.04.1USN-3269-1

mysql-5.7Ubuntu

Fixed in:5.7.18-0ubuntu0.16.04.1USN-3269-1

mysql-server-5.5Ubuntu

Fixed in:5.5.55-0ubuntu0.14.04.1USN-3269-1

mysql-server-5.7Ubuntu

Fixed in:5.7.18-0ubuntu0.16.04.1USN-3269-1

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.37%probability of exploitation in 30 days

69thpercentile

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

References

Patch1

oracle.com

Third-Party Advisory1

securityfocus.com

Other references2

Embed a live status badge for CVE-2017-3455

Markdown

[![CVE-2017-3455](https://tridentstack.com/cve/badge/CVE-2017-3455.svg)](https://tridentstack.com/cve/CVE-2017-3455)

HTML

<a href="https://tridentstack.com/cve/CVE-2017-3455"><img src="https://tridentstack.com/cve/badge/CVE-2017-3455.svg" alt="CVE-2017-3455"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.