Oracle MySQL Server up to 8.0.21 Optimizer denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Oracle MySQL Server up to 8.0.21. This impacts an unknown function of the component Optimizer. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2020-14809. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Oracle MySQL Server up to 8.0.21 (Database Software) and classified as critical. This vulnerability affects an unknown function of the component Optimizer. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was disclosed 10/20/2020 as Oracle Critical Patch Update Advisory - October 2020. The advisory is available at oracle.com. This vulnerability was named CVE-2020-14809. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 250116 (Linux Distros Unpatched Vulnerability : CVE-2020-14809), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (250116). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 250116
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2020-14809

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

06/19/2020 🔍
10/20/2020 +123 days 🔍
10/20/2020 +0 days 🔍
10/21/2020 +1 days 🔍
08/17/2025 +1761 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - October 2020
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-14809 (🔍)
GCVE (CVE): GCVE-0-2020-14809
GCVE (VulDB): GCVE-100-163282

Entryinfo

Created: 10/21/2020 20:48
Updated: 08/17/2025 11:21
Changes: 10/21/2020 20:48 (40), 11/24/2020 19:06 (3), 11/24/2020 19:08 (8), 08/17/2025 11:21 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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