CVE-2011-4531

Public Exploit

Description

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted content in a (1) get_target_ocx_param or (2) send_target_ocx_param command.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 22.82% Top 5%
Vendor Advisory siemens.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://support.automation.siemens.com/WW/view/en/114358
http://aluigi.altervista.org/adv/almsrvx_1-adv.txt exploit
http://support.automation.siemens.com/WW/llisapi.dll/57252401?func=ll&objId=57252401&objAction=csView&nodeid0=17323948&lang=en&siteid=cseus&aktprim=0&extranet=standard&viewreg=WW&load=content vendor advisory
http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf us government resource

Frequently Asked Questions

What is the severity of CVE-2011-4531?
CVE-2011-4531 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4531?
To fix CVE-2011-4531, 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-2011-4531 being actively exploited in the wild?
It is possible that CVE-2011-4531 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~23% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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