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CVE-2020-14800

22
FAUCET Score

CVE-2020-14800 is a denial-of-service vulnerability affecting Oracle MySQL Server versions 8.0.21 and prior, specifically within the Security: Encryption component. A low-privileged attacker with network access can exploit this vulnerability to cause a complete and repeatable crash of the MySQL Server. This vulnerability has a CVSS 3.1 score of 6.5 (Medium), indicating a low attack complexity and no user interaction required, with the primary impact being high availability loss. There is currently no evidence of active exploitation, publicly available exploit code (e.g., Metasploit, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.0.0, <= 8.0.21CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
>= 7.3CPE matchmatch criteria
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:*
>= 9.5CPE 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:oncommand_insight:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.43%
Probability of exploitation in next 30 days
EPSS Percentile
70.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0143 is in the 84th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (6)

microsoftpatch availablevia msrc
Product: 19031-16820Fixed in: 8.0.26-1
microsoftpatch availablevia msrc
Product: cm1 mysql 8.0.26-1 on CBL Mariner 1.0Fixed in: 8.0.26-1
oraclepatch availablevia nvd_reference
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
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

Vendor Advisories (2)

redhatCVE-2020-14800Moderate

mysql: Server: Security: Encryption unspecified vulnerability (CPU Oct 2020)

Oct 20, 2020
microsoft2020-Oct/CVE-2020-14800Moderate

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Encryption). Supported versions that are affected are 8.0.21 and prior. 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 ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/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
PatchVendor Advisory