CVE-2011-4530: n/a vulnerability

CVE-2011-4530: Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 does not properly copy fields obtained fr...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 17:15 UTC (UTC+00:00)

Security readout for executives and security teams

This issue can let a remote attacker crash Siemens Automation License Manager, potentially disrupting license availability for Siemens automation software. The bundle does not show code execution, data theft, CVSS scoring, or active exploitation. Exposure is limited to environments running the listed Siemens Automation License Manager versions, especially where the ALM service is reachable from untrusted or broad internal networks. Treat this as an operational resilience issue. It is not presented as data theft or ransomware, but license-service outages in automation environments can interrupt engineering or production workflows. Mitigation focus: Inventory Siemens Automation License Manager versions in engineering and operations environments.; Check Siemens and ICS-CERT guidance for fixed versions or vendor-approved workarounds.; Restrict network access to ALM services to trusted management hosts only..

Prepared: Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 8, 2012, 20:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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