Oracle MySQL Server up to 8.0.32 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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4.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Oracle MySQL Server up to 8.0.32 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Optimizer. Performing a manipulation results in denial of service. This vulnerability is reported as CVE-2023-21982. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Oracle MySQL Server up to 8.0.32 (Database Software). This affects an unknown part 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 04/18/2023 as Oracle Critical Patch Update Advisory - April 2023. The advisory is shared at oracle.com. This vulnerability is uniquely identified as CVE-2023-21982. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 235542 (RockyLinux 8 : mysql:8.0 (RLSA-2024:0894)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (235542). If you want to get the best quality for vulnerability data then you always have to consider 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: 4.8

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

CNA Base Score: 4.9
CNA Vector (Oracle): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: 235542
Nessus Name: RockyLinux 8 : mysql:8.0 (RLSA-2024:0894)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

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

Timelineinfo

12/17/2022 🔍
04/18/2023 +121 days 🔍
04/18/2023 +0 days 🔍
04/18/2023 +0 days 🔍
05/08/2025 +751 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - April 2023
Status: Confirmed

CVE: CVE-2023-21982 (🔍)
GCVE (CVE): GCVE-0-2023-21982
GCVE (VulDB): GCVE-100-226677

Entryinfo

Created: 04/18/2023 23:18
Updated: 05/08/2025 12:36
Changes: 04/18/2023 23:18 (39), 05/12/2023 20:09 (2), 05/12/2023 20:16 (11), 05/12/2023 20:23 (1), 05/08/2025 12:36 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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