Oracle MySQL Server up to 8.0.23 Optimizer 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 was found in Oracle MySQL Server up to 8.0.23. It has been declared as critical. Affected by this issue is some unknown functionality of the component Optimizer. The manipulation results in denial of service. This vulnerability is reported as CVE-2021-2193. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Oracle MySQL Server up to 8.0.23 (Database Software). Affected is some unknown processing of the component Optimizer. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was disclosed 04/21/2021 as Oracle Critical Patch Update Advisory - April 2021. The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2021-2193. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

12/09/2020 🔍
04/21/2021 +132 days 🔍
04/21/2021 +0 days 🔍
04/23/2021 +2 days 🔍
04/26/2021 +3 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - April 2021
Status: Confirmed

CVE: CVE-2021-2193 (🔍)
GCVE (CVE): GCVE-0-2021-2193
GCVE (VulDB): GCVE-100-173592

Entryinfo

Created: 04/23/2021 06:40
Updated: 04/26/2021 09:46
Changes: 04/23/2021 06:40 (40), 04/26/2021 09:45 (5), 04/26/2021 09:46 (8)
Complete: 🔍
Cache ID: 216::103

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