CVE-2011-4531
MEDIUM · CVSS 5.0EPSS 8.4%EU EUVD
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 8.4% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-4457)
- Published
- January 8, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-4457 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.
View on the EU Vulnerability DatabaseAffected products
- siemens / automation license manager
References
- 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://support.automation.siemens.com/WW/view/en/114358
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf(US Government Resource)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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