CVE-2011-4531

Name: CVE-2011-4531
Creator: NVD / NIST
Published: 2012-01-08T20:55:01.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 8.88%

Last modified Jun 16, 2026

CVE-2011-4531 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 8.88% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

8.88%

94.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Siemens	Automation License Manager	<= 5.1	Sp1

References

Timeline

Published: Jan 8, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-4531?

How severe is CVE-2011-4531?

Severity scoring for CVE-2011-4531 is pending analysis. The EPSS model estimates a 8.88% probability of exploitation in the next 30 days.

How do I fix CVE-2011-4531?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4531?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST