Vulnerability identifier: #VU55044

Vulnerability risk: High

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2351

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Oracle Database Server
Server applications / Database software

Vendor: Oracle

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Advanced Networking Option in Oracle Database Server. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Oracle Database Server: 12.1.0.2 - 19c

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External links
http://www.oracle.com/security-alerts/cpujul2021.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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