{"id":"CVE-2011-4529","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-4529","generatedAt":"2026-10-27T18:46:36.806Z","title":"Multiple buffer overflows in Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allow remote attackers to execute arbitrary code via a long serialid field in an _licensekey command, as demonstrated by the (1) check_licensekey or (2)…","description":"Multiple buffer overflows in Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allow remote attackers to execute arbitrary code via a long serialid field in an _licensekey command, as demonstrated by the (1) check_licensekey or (2) read_licensekey command.","published":"2012-01-08T20:55:01.000Z","lastModified":"2026-06-16T23:35:00.000Z","status":"Modified","sourceIdentifier":"cret@cert.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":["CWE-119"],"affected":["siemens/automation license manager"],"epss":{"score":0.06856,"percentile":0.93998,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2011-11-28","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":18165,"kind":"exploit","title":"siemens automation license manager 500.0.122.1 - Multiple Vulnerabilities","url":"https://www.exploit-db.com/exploits/18165","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/18165.txt","file":"exploits/windows/dos/18165.txt","published":"2011-11-28","added":"2011-11-28","updated":"2011-11-28","author":"Luigi Auriemma","type":"dos","platform":"windows","port":null,"verified":true,"codes":["CVE-2011-4532","CVE-2011-4531","CVE-2011-4530","CVE-2011-4529","OSVDB-77370","OSVDB-77369","OSVDB-77368","OSVDB-77367"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 6.9%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://aluigi.altervista.org/adv/almsrvx_1-adv.txt","tags":["Exploit"],"source":"cret@cert.org"},{"url":"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","tags":["Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://support.automation.siemens.com/WW/view/en/114358","source":"cret@cert.org"},{"url":"http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf","tags":["US Government Resource"],"source":"cret@cert.org"},{"url":"http://aluigi.altervista.org/adv/almsrvx_1-adv.txt","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"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","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.automation.siemens.com/WW/view/en/114358","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-4529","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}