#VU49835 Improper input validation in MySQL Server - CVE-2021-2010

Vulnerability identifier: #VU49835

Vulnerability risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-2010

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MySQL Server
Server applications / Database software

Vendor: Oracle

Description

The vulnerability allows a remote authenticated user to manipulate or delete data.

The vulnerability exists due to improper input validation within the C API component in MySQL Client. A remote authenticated user can exploit this vulnerability to manipulate or delete data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MySQL Server: 5.6.0 - 5.6.50, 5.7.0 - 5.7.32, 8.0.0 - 8.0.22

---

External links
https://www.oracle.com/security-alerts/cpujan2021.html

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.