Is CVE-2019-2503 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 2%.

What products does CVE-2019-2503 affect?

Tracked products affected include MySQL. Check the version you run to see whether it is affected.

How do I fix CVE-2019-2503?

Apply the vendor fix in your normal patch cycle. An official patch or advisory is available. Upgrade affected products to a fixed version.

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CVE-2019-2503

Q: What is CVE-2019-2503?

CVE-2019-2503 is a medium-severity software vulnerability with a CVSS score of 6.4. Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Connection Handling). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability al

MEDIUM severity · CVSS 6.4

6.4CVSS MEDIUM

Summary

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Connection Handling). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes 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 and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.4 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H).

Impact & exploitability

Attack vectorAdjacent

Attack complexityHigh

Privileges requiredLow

User interactionNone

Confidentiality impactHigh

Integrity impactNone

Availability impactHigh

Exploit probability (EPSS)2%

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

Affected products we track (1)

MySQL

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: http://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html ↗

CVE-2019-2503

Summary

Impact & exploitability

Affected products we track (1)

Recommendation

Additional information