Oracle MySQL Server up to 8.0.21 PS denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Oracle MySQL Server up to 8.0.21. This affects an unknown function of the component PS. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2020-14786. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Oracle MySQL Server up to 8.0.21 (Database Software) and classified as critical. Affected by this issue is an unknown part of the component PS. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was disclosed 10/20/2020 as Oracle Critical Patch Update Advisory - October 2020. The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2020-14786. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 245186 (Linux Distros Unpatched Vulnerability : CVE-2020-14786), 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 (245186). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

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: 245186
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2020-14786

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 🔍
08/08/2025 +1752 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2020-14786 (🔍)
GCVE (CVE): GCVE-0-2020-14786
GCVE (VulDB): GCVE-100-163292

Entryinfo

Created: 10/21/2020 20:48
Updated: 08/08/2025 04:45
Changes: 10/21/2020 20:48 (40), 11/24/2020 20:29 (3), 11/24/2020 20:36 (8), 08/08/2025 04:45 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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