Security bypass in Oracle Java SE

Published: 2013-04-16 | Updated: 2017-03-24
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2013-2423
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
Oracle Java SE
Universal components / Libraries / Software for developers

Vendor Oracle

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Security bypass


Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2013-2423

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes


The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness caused by weak access control on static classes. Tricking the victim into running a malicious Java applet a remote attacker can bypass Java sandbox restrictions.

Successful exploitation of the vulnerability results in security bypass.


Install update from vendor's website.

Vulnerable software versions

Oracle Java SE: 5 Update 31 - 7u7

External links

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?

Yes. This vulnerability is being exploited in the wild.