TI-2011-03902 Aliases CVE-2011-4531 GHSA-px66-m46c-vmhx

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allows remote attackers…

LOW 34CWE-20Published 2012-01-08 · Updated 2024-09-17

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.08406 95th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:siemens:automation_license_manager::sp1::::::*	up to 5.1	Vulnerable	Siemens

cpe:2.3:a:siemens:automation_license_manager:*:sp1:*:*:*:*:*:* Versions up to 5.1 Vulnerable ·Siemens

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2011-4531
2026-10-03 Alias added: GHSA-px66-m46c-vmhx
2026-11-04 EPSS moved to the 95th–99th percentile

References

Exploit 1

http://aluigi.altervista.org/adv/almsrvx_1-adv.txt

Advisory 1

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

Other 2

TI-2022-21296 Path traversal in Siemens Automation License Manager V5 CVSS 3.1CRITICAL 9.8
TI-2018-08180 Path traversal in Siemens Automation License Manager 5, Automation License Manager 6 CVSS 3.0HIGH 8.8
TI-2016-07037 Siemens Automation License Manager (ALM) before 5.3 SP3 allows remote attackers to write… CVSS 3.0CRITICAL 9.1
TI-2022-21295 A vulnerability has been identified in Automation License Manager V5 (All versions)… CVSS 3.1HIGH 8.2
TI-2011-03900 Multiple buffer overflows in Siemens Automation License Manager (ALM) 4.0 through… CVSS 2.0HIGH 7.5
TI-2016-07035 Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers… CVSS 3.0HIGH 7.5

See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences