PHP code execution in OpenX Revive Adserver

Published: 2013-08-06 | Updated: 2017-01-12
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2013-4211
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Revive Adserver
Web applications / Other software

Vendor OpenX Source

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Arbitrary PHP code execution


Risk: Critical

CVSSv3.1: 9.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2013-4211

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: Yes


The vulnerability allows a remote attacker to execute arbitrary PHP code on the target system.

The weakness exists due to compromise of the source code package. A remote attacker can create a specially crafted request with a rot13'd and reversed payload and send it to the target system to execute arbitrary PHP code.

Successful exploitation of the vulnerability results in arbitrary PHP code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.


Update to version 2.8.11 or later.

Vulnerable software versions

Revive Adserver: 2.8.10, 2.8.11

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?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.