How severe is CVE-2018-2645?

CVE-2018-2645 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-2645 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-2645?

CVE-2018-2645 affects Oracle Mysql. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-2645?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-2645 published?

CVE-2018-2645 was published on 2018-01-18 and last updated on 2026-06-17.

CVE-2018-2645

CVE-2018-2645 is a medium-severity vulnerability in Oracle Mysql with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Mysql
Published: 2018-01-18
Last modified: 2026-06-17

Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Performance Schema). Supported versions that are affected are 5.6.38 and prior and 5.7.20 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data. CVSS 3.0 Base Score 4.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).

Frequently asked questions

What is CVE-2018-2645?: Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Performance Schema). Supported versions that are affected are 5.6.38 and prior and 5.7.20 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data. CVSS 3.0 Base Score 4.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).
How severe is CVE-2018-2645?: CVE-2018-2645 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-2645 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-2645?: CVE-2018-2645 affects Oracle Mysql. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-2645?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-2645 published?: CVE-2018-2645 was published on 2018-01-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

159.253.22.85 (ipv4-addr)