CVE-2020-14867

FAUCET Score

CVE-2020-14867 is a denial-of-service vulnerability affecting Oracle MySQL Server versions 5.6.49 and prior, 5.7.31 and prior, and 8.0.21 and prior, specifically within the DDL component. This vulnerability has a CVSS 3.1 Base Score of 4.4 (Medium) and allows a highly privileged attacker with network access to cause a complete system crash or hang. While the attack complexity is high, successful exploitation leads to full availability impact. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 5.6.0, <= 5.6.49CPE matchmatch criteria	cpe:2.3:a:oracle:mysql::::::::
		>= 5.7.0, <= 5.7.31CPE matchmatch criteria	cpe:2.3:a:oracle:mysql::::::::
		>= 8.0.0, <= 8.0.21CPE matchmatch criteria	cpe:2.3:a:oracle:mysql::::::::
		Range not provided by sourceCPE matchmatch criteria	cpe:2.3:a:netapp:active_iq_unified_manager:-:::::vmware_vsphere::
		Range not provided by sourceCPE matchmatch criteria	cpe:2.3:a:netapp:active_iq_unified_manager:-:::::windows::

CVSS Data

CVSS version used by this source: 3.1

4.4MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

0.7

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

1.89%

Probability of exploitation in next 30 days

EPSS Percentile

77.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0189 is in the 90th percentile among its peer group of 687 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

microsoftpatch availablevia msrc

Product: cm1 mysql 8.0.26-1 on CBL Mariner 1.0Fixed in: 8.0.26-1

microsoftpatch availablevia msrc

Product: CBL Mariner 1.0 x64Fixed in: 8.0.26-1

microsoftpatch availablevia msrc

Product: CBL Mariner 1.0 ARMFixed in: 8.0.26-1

microsoftpatch availablevia msrc

Product: 19031-16820Fixed in: 8.0.26-1

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-mysql80-mysql-0:8.0.26-1.el7

View patch

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mysql:8.0-8040020210824134700.522a0ee4

View patch

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mysql80-mysql-0:8.0.26-1.el7

View patch

oraclevendor investigatingvia nvd_reference

View patch

Vendor Advisories (3)

microsoft2020-Nov/CVE-2020-14867

CVE-2020-14867

Nov 10, 2020

redhatCVE-2020-14867Moderate

mysql: Server: DDL unspecified vulnerability (CPU Oct 2020)

Oct 20, 2020

microsoft2020-Oct/CVE-2020-14867Moderate

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affected are 5.6.49 and prior 5.7.31 and prior and 8.0.21 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

Oct 13, 2020

References

security.gentoo.org / glsa/202105-27

Third Party Advisory

security.netapp.com / advisory/ntap-20201023-0003

Third Party Advisory

oracle.com / security-alerts/cpuoct2020.html

Vendor Advisory