Vulnerability Details : CVE-2011-4531
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.
Vulnerability category: Memory CorruptionInput validationDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2011-4531
Probability of exploitation activity in the next 30 days: 1.02%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 83 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-4531
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2011-4531
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4531
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http://aluigi.altervista.org/adv/almsrvx_1-adv.txt
Exploit
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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
Security update of the Automation License Manager (ALM) - ID: 57252401 - Industry Support SiemensVendor Advisory
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http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf
404 - File Not Found | CISAUS Government Resource
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http://support.automation.siemens.com/WW/view/en/114358
Handling programs for authorizing or licensing SIMATIC products. - ID: 114358 - Industry Support Siemens
Products affected by CVE-2011-4531
- cpe:2.3:a:siemens:automation_license_manager:*:sp1:*:*:*:*:*:*