CVE-2021-2471

5.9MEDIUM

Key Information:

Vendor
Oracle
Status
Mysql Connectors
Vendor
CVE Published:
20 October 2021

Badges

👾 Exploit Exists🟡 Public PoC

Summary

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).

Affected Version(s)

MySQL Connectors 8.0.26 and prior

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

jdbc-sqlxml-xxe
Created by SecCoder-Security-Lab

CVE-2021-2471
Created by DrunkenShells

CVE-2021-2471
Created by cckuailong

References

https://www.oracle.com/security-alerts/cpuoct2021.html
x_refsource_MISC
https://www.oracle.com/security-alerts/cpuapr2022.html
x_refsource_MISC

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database3 Proof of Concept(s)
.