5.9
MEDIUM
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 Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

0.7
Public PoC/Exploit Available at Github

CVE-2021-2471 has a 20 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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.

ID Vendor Product Action
1 Oracle mysql
2 Oracle communications_cloud_native_core_network_slice_selection_function
3 Oracle communications_cloud_native_core_policy
4 Oracle communications_cloud_native_core_console
5 Oracle communications_cloud_native_core_security_edge_protection_proxy
6 Oracle mysql_connectors
7 Oracle mysql_connector\/python
1 Quarkus quarkus
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

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

Shell

Updated: 7 months ago
0 stars 1 fork 1 watcher
Born at : May 2, 2024, 9:30 p.m. This repo has been linked 73 different CVEs too.

None

Shell

Updated: 7 months ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:29 p.m. This repo has been linked 73 different CVEs too.

None

Shell

Updated: 7 months ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:27 p.m. This repo has been linked 73 different CVEs too.

None

Shell

Updated: 7 months ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:26 p.m. This repo has been linked 73 different CVEs too.

None

Shell

Updated: 6 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:24 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 6 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:22 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 6 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:21 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 6 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:19 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 6 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:18 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 6 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:16 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 6 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:14 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 1 year, 8 months ago
0 stars 2 fork 2 watcher
Born at : April 8, 2023, 6:19 a.m. This repo has been linked 923 different CVEs too.

None

Updated: 10 months, 1 week ago
20 stars 3 fork 3 watcher
Born at : Feb. 14, 2023, 6:10 p.m. This repo has been linked 921 different CVEs too.

Java CVE Vulnerability Environment

cve java dubbo apache spring

Java HTML PLpgSQL Python JavaScript CSS Shell Dockerfile

Updated: 1 month, 2 weeks ago
22 stars 6 fork 6 watcher
Born at : Oct. 16, 2022, 3:20 p.m. This repo has been linked 31 different CVEs too.

None

Updated: 5 months, 3 weeks ago
8 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 943 different CVEs too.

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
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
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.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.00%

score

0.25483

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability