CVE-2021-2471
Oracle MySQL Connector/J: High Privilege Remote Code Execution and DoS
Description
Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.26 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Connectors accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. CVSS 3.1 Base Score 5.9 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H).
INFO
Published Date :
Oct. 20, 2021, 11:16 a.m.
Last Modified :
Nov. 21, 2024, 6:03 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2021-2471
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected MySQL Connector/J package.
- Apply the latest patch from the vendor.
Public PoC/Exploit Available at Github
CVE-2021-2471 has a 21 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-2471.
| URL | Resource |
|---|---|
| https://www.oracle.com/security-alerts/cpuapr2022.html | Vendor Advisory |
| https://www.oracle.com/security-alerts/cpuoct2021.html | Vendor Advisory |
| https://www.oracle.com/security-alerts/cpuapr2022.html | Vendor Advisory |
| https://www.oracle.com/security-alerts/cpuoct2021.html | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-2471 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-2471
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Procfile HTML CSS Shell Java JavaScript
None
Shell
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Shell
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Shell
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Shell
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Shell
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Java CVE Vulnerability Environment
cve java dubbo apache spring
Java HTML PLpgSQL Python JavaScript CSS Shell Dockerfile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-2471 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-2471 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuapr2022.html Added Reference https://www.oracle.com/security-alerts/cpuoct2021.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Apr. 28, 2022
Action Type Old Value New Value Changed Reference Type https://www.oracle.com/security-alerts/cpuapr2022.html No Types Assigned https://www.oracle.com/security-alerts/cpuapr2022.html Vendor Advisory Changed CPE Configuration OR *cpe:2.3:a:oracle:mysql_connectors:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (including) 8.0.26 OR *cpe:2.3:a:oracle:communications_cloud_native_core_console:1.9.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:1.8.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.15.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:1.7.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:mysql_connectors:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (including) 8.0.26 -
CVE Modified by [email protected]
Apr. 19, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuapr2022.html [No Types Assigned] -
Reanalysis by [email protected]
Feb. 08, 2022
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:* versions up to (excluding) 2.2.4 *cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:* versions from (including) 2.3.0 up to (excluding) 2.6.0 -
Reanalysis by [email protected]
Nov. 22, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* versions from (including) 8.0 up to (including) 8.0.26 OR *cpe:2.3:a:oracle:mysql_connectors:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (including) 8.0.26 -
Initial Analysis by [email protected]
Oct. 26, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:C/I:N/A:C) Changed Reference Type https://www.oracle.com/security-alerts/cpuoct2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuoct2021.html Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* versions from (including) 8.0 up to (including) 8.0.26
Vulnerability Scoring Details
Base CVSS Score: 5.9
Base CVSS Score: 7.9
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
58.99 }} 2.22%
score
0.98124
percentile