Oracle MySQL Server up to 8.0.22 Optimizer denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.7 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Oracle MySQL Server up to 8.0.22. The affected element is an unknown function of the component Optimizer. The manipulation results in denial of service. This vulnerability is reported as CVE-2021-2031. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability classified as critical has been found in Oracle MySQL Server up to 8.0.22 (Database Software). Affected is an unknown functionality 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 01/20/2021 as Oracle Critical Patch Update Advisory - January 2021. The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2021-2031. 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.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
- 8.0.0
- 8.0.1
- 8.0.2
- 8.0.3
- 8.0.4
- 8.0.5
- 8.0.6
- 8.0.7
- 8.0.8
- 8.0.9
- 8.0.10
- 8.0.11
- 8.0.12
- 8.0.13
- 8.0.14
- 8.0.15
- 8.0.16
- 8.0.17
- 8.0.18
- 8.0.19
- 8.0.20
- 8.0.21
- 8.0.22
License
Website
- Vendor: https://www.oracle.com
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.7
VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: 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 |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
12/09/2020 🔍01/20/2021 🔍
01/20/2021 🔍
01/20/2021 🔍
02/17/2021 🔍
Sources
Vendor: oracle.comAdvisory: Oracle Critical Patch Update Advisory - January 2021
Status: Confirmed
CVE: CVE-2021-2031 (🔍)
GCVE (CVE): GCVE-0-2021-2031
GCVE (VulDB): GCVE-100-168372
Entry
Created: 01/20/2021 19:47Updated: 02/17/2021 13:03
Changes: 01/20/2021 19:47 (40), 02/17/2021 13:01 (5), 02/17/2021 13:03 (8)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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