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CVE-2011-4530

5.0 · MEDIUM

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 does not properly copy fields obtained from clients, which allows remote attackers to cause a denial of service (exception and daem…

Published Jan 8, 2012siemensCWE-20EPSS 4.08%

Overview

CVE-2011-4530 is a medium-severity vulnerability affecting siemens automation_license_manager. It was published on January 8, 2012 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 does not properly copy fields obtained from clients, which allows remote attackers to cause a denial of service (exception and daemon crash) via long fields, as demonstrated by fields to the (1) open_session->workstation->NAME or (2) grant->VERSION function.

Remediation

Check the references section for vendor advisories and patches from siemens. Update automation_license_manager to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
siemensautomation_license_manager0Affected

References

Refaluigi.altervista.org/adv/almsrvx_1-adv.txtRefsupport.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=contentRefsupport.automation.siemens.com/WW/view/en/114358Refwww.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdfRefaluigi.altervista.org/adv/almsrvx_1-adv.txtRefsupport.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=contentRefsupport.automation.siemens.com/WW/view/en/114358Refwww.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2011-4530?

CVE-2011-4530 is a medium-severity vulnerability affecting siemens automation_license_manager. It was published on January 8, 2012 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2011-4530?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-4530?

Check the references section for vendor advisories and patches from siemens. Update automation_license_manager to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-4530?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4530 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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