VDB-226667 · CVE-2023-21933 · Nessus 235542

Oracle MySQL Server up to 8.0.32 DDL denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Oracle MySQL Server up to 8.0.32. It has been rated as critical. Affected by this issue is some unknown functionality of the component DDL. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2023-21933. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Oracle MySQL Server up to 8.0.32 (Database Software). This issue affects an unknown function of the component DDL. 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 04/18/2023 as Oracle Critical Patch Update Advisory - April 2023. It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2023-21933. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

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). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Database Software

Vendor

Oracle

Name

MySQL Server

Version

License

open-source

Website

Vendor: https://www.oracle.com

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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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-2023-21933 (🔍)
GCVE (CVE): GCVE-0-2023-21933
GCVE (VulDB): GCVE-100-226667

Entryinfo

Created: 04/18/2023 23:18
Updated: 05/08/2025 08:38
Changes: 04/18/2023 23:18 (39), 05/12/2023 16:29 (2), 05/12/2023 16:36 (11), 05/12/2023 16:44 (1), 05/08/2025 08:38 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.