#VU55059 Improper input validation in Oracle Java SE


Published: 2021-07-20 | Updated: 2022-06-24

Vulnerability identifier: #VU55059

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2432

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Oracle Java SE
Universal components / Libraries / Software for developers

Vendor: Oracle

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the JNDI component in Java SE. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Oracle Java SE: 7u301


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


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.


Latest bulletins with this vulnerability