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, 5 Update 33, 5 Update 35, 5 Update 38, 5 Update 40, 5 Update 45, 6u10, 6u11, 6u12, 6u13, 6u14, 6u15, 6u16, 6u17, 6u18, 6u19, 6u20, 6u27, 6u30, 6u32, 6u34, 6u38, 6u41, 6u45, 6u95, 6u101, 6u105, 6u113, 6u115, 6u121, 7, 7u2, 7u4, 7u6, 7u7

CPE2.3 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.