Oracle MySQL Server up to 5.7.34/8.0.25 InnoDB denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Oracle MySQL Server up to 5.7.34/8.0.25. It has been rated as critical. This affects an unknown function of the component InnoDB. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2021-2390. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.
Details
A vulnerability, which was classified as critical, has been found in Oracle MySQL Server up to 5.7.34/8.0.25 (Database Software). This issue affects an unknown function of the component InnoDB. 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 published 07/20/2021 as Oracle Critical Patch Update Advisory - July 2021. The advisory is shared at oracle.com. The identification of this vulnerability is CVE-2021-2390. 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 249885 (Linux Distros Unpatched Vulnerability : CVE-2021-2390), 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 (249885). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
- 5.7.0
- 5.7.1
- 5.7.2
- 5.7.3
- 5.7.4
- 5.7.5
- 5.7.6
- 5.7.7
- 5.7.8
- 5.7.9
- 5.7.10
- 5.7.11
- 5.7.12
- 5.7.13
- 5.7.14
- 5.7.15
- 5.7.16
- 5.7.17
- 5.7.18
- 5.7.19
- 5.7.20
- 5.7.21
- 5.7.22
- 5.7.23
- 5.7.24
- 5.7.25
- 5.7.26
- 5.7.27
- 5.7.28
- 5.7.29
- 5.7.30
- 5.7.31
- 5.7.32
- 5.7.33
- 5.7.34
- 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
- 8.0.23
- 8.0.24
- 8.0.25
License
Website
- Vendor: https://www.oracle.com
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.7
VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 249885
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-2390
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
12/09/2020 🔍07/20/2021 🔍
07/20/2021 🔍
07/21/2021 🔍
08/18/2025 🔍
Sources
Vendor: oracle.comAdvisory: Oracle Critical Patch Update Advisory - July 2021
Status: Confirmed
CVE: CVE-2021-2390 (🔍)
GCVE (CVE): GCVE-0-2021-2390
GCVE (VulDB): GCVE-100-179165
Entry
Created: 07/21/2021 10:37Updated: 08/18/2025 04:36
Changes: 07/21/2021 10:37 (40), 07/24/2021 20:46 (2), 07/24/2021 20:54 (1), 08/18/2025 04:36 (16)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
No comments yet. Languages: en.
Please log in to comment.