CVE-2011-4529

Multiple buffer overflows in Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1...

7.5 HighPublic exploit

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.

Exploit likelihood

6.86%Up 0.3 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2011-4529
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-4529
Updated: 2026-11-02

EUVDEUVD-2011-4455 No score

Record: EUVD-2011-4455
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5f2r-rx93-xgcp No score

Multiple buffer overflows in Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1...

Record: GHSA-5f2r-rx93-xgcp
Weakness: CWE-119
Updated: 2026-11-02

Affected products

siemens automation license manager

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	siemens automation license manager 500.0.122.1 - Multiple Vulnerabilities	2011-11-28

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-4529 is a high vulnerability (CVSS 7.5) in Siemens Automation License Manager, published January 8, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.86%, the 94th percentile. No source names a fixed version.