2021-2429 | Oracle MySQL Server InnoDB 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. |
---|---|---|
5.7 | $0-$5k | 1.68 |
A vulnerability, which was classified as critical, was found in Oracle MySQL Server up to 8.0.25 (Database Software). Affected is an unknown functionality of the component InnoDB. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. This is going to have an impact on availability. CVE summarizes:
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.25 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
The weakness was released 07/20/2021 as Oracle Critical Patch Update Advisory – July 2021. The advisory is available at oracle.com. This vulnerability is traded as CVE-2021-2429 since 12/09/2020. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn’t require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/24/2021). This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Type
Vendor
Name
VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7
VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
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: 🔍
Class: Denial of service
CWE: CWE-404
ATT&CK: T1499
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Upgrade: oracle.com
12/09/2020 CVE assigned
07/20/2021 Advisory disclosed
07/20/2021 Countermeasure disclosed
07/21/2021 VulDB entry created
07/24/2021 VulDB last updateVendor: https://www.oracle.com
Advisory: Oracle Critical Patch Update Advisory – July 2021
Status: Confirmed
CVE: CVE-2021-2429 (🔒)
Created: 07/21/2021 10:37
Updated: 07/24/2021 21:09
Changes: (1) source_cve_cna
Complete: 🔍
Comments
Download it now for free!