CVE-2015-4051

Public Exploit

Description

Beckhoff IPC Diagnostics before 1.8 does not properly restrict access to functions in /config, which allows remote attackers to cause a denial of service (reboot or shutdown), create arbitrary users, or possibly have unspecified other impact via a crafted request, as demonstrated by a beckhoff.com:service:cxconfig:1#Write SOAP action to /upnpisapi.

Category

9.0
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 1.21% Top 25%
Vendor Advisory beckhoff.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://packetstormsecurity.com/files/132168/Beckhoff-IPC-Diagnositcs-Authentication-Bypass.html
http://ftp.beckhoff.com/download/document/IndustPC/Advisory-2015-001.pdf vendor advisory
http://packetstormsecurity.com/files/134071/Beckoff-CX9020-CPU-Model-Remote-Code-Execution.html
http://seclists.org/fulldisclosure/2015/Jun/10 mailing list exploit
http://www.securityfocus.com/bid/75042 vdb entry
http://www.thesecurityfactory.be/permalink/beckhoff-authentication-bypass.html exploit

Frequently Asked Questions

What is the severity of CVE-2015-4051?
CVE-2015-4051 has been scored as a critical severity vulnerability.
How to fix CVE-2015-4051?
To fix CVE-2015-4051, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-4051 being actively exploited in the wild?
It is possible that CVE-2015-4051 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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