CVE-2011-4530 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 4.1% (pctl 90)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 4.08% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2012-01-08 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| siemens | automation license manager |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | siemens automation license manager 500.0.122.1 - Multiple Vulnerabilities | 2011-11-28 |
References
- http://aluigi.altervista.org/adv/almsrvx_1-adv.txt
- 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
- http://support.automation.siemens.com/WW/view/en/114358
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf
- http://aluigi.altervista.org/adv/almsrvx_1-adv.txt
- 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
- http://support.automation.siemens.com/WW/view/en/114358
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf
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