CVE-2020-2895Network attack vector

Privileged denial of service

Published Apr 15, 2020 · Updated Sep 27, 2024

MySQL Server 8.0.19 and earlier contains an InnoDB vulnerability that allows remote authenticated users to cause a denial of service. The vendor has not disclosed the specific InnoDB operation or input-handling flaw. Exploitation requires a highly privileged network-connected account and can hang the server or repeatedly crash it, interrupting database availability.

CVSS severity4.9
Medium
EPSS probability2.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

MySQL Server 8.0.19 and earlier contains an InnoDB vulnerability that allows remote authenticated users to cause a denial of service. The vendor has not disclosed the specific InnoDB operation or input-handling flaw. Exploitation requires a highly privileged network-connected account and can hang the server or repeatedly crash it, interrupting database availability.

The record

CVE
CVE-2020-2895
Published
Apr 15, 2020
Updated
Sep 27, 2024
Vendor
Oracle Corporation
Product
MySQL Server
Classifications
Unavailable
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 15, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 27, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.0.19 and prior

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle Corporation · MySQL Serverversion=8.0.19 and prior

Published CVSS scores

4.9Oracle CorporationCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
4.0NIST NVDAV:N/AC:L/Au:S/C:N/I:N/A:P
4.9NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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