Oracle MySQL Server up to 5.6.50/5.7.32/8.0.22 InnoDB 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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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Oracle MySQL Server up to 5.6.50/5.7.32/8.0.22. It has been rated as critical. This affects an unknown function of the component InnoDB. This manipulation causes denial of service. This vulnerability is registered as CVE-2021-2022. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Oracle MySQL Server up to 5.6.50/5.7.32/8.0.22 (Database Software) and classified as critical. Affected by this vulnerability is an unknown function of the component InnoDB. 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 published 01/20/2021 as Oracle Critical Patch Update Advisory - January 2021. The advisory is shared at oracle.com. This vulnerability is known as CVE-2021-2022. 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 236704 (Alibaba Cloud Linux 3 : 0014: mariadb:10.3 (ALINUX3-SA-2021:0014)), 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 (236704). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
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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Nessus ID: 236704
Nessus Name: Alibaba Cloud Linux 3 : 0014: mariadb:10.3 (ALINUX3-SA-2021:0014)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

12/09/2020 🔍
01/20/2021 +42 days 🔍
01/20/2021 +0 days 🔍
01/20/2021 +0 days 🔍
05/16/2025 +1577 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2021-2022 (🔍)
GCVE (CVE): GCVE-0-2021-2022
GCVE (VulDB): GCVE-100-168385

Entryinfo

Created: 01/20/2021 19:47
Updated: 05/16/2025 20:39
Changes: 01/20/2021 19:47 (40), 02/17/2021 15:14 (5), 02/17/2021 15:17 (8), 05/16/2025 20:39 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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