CVE-2011-4530

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 does not properly copy fields...

5.0 MediumPublic exploit

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.

Exploit likelihood

4.08%Up 2.9 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2011-4530
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-4530
Updated: 2026-11-02

EUVDEUVD-2011-4456 No score

Record: EUVD-2011-4456
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9wc8-4g2q-8xv5 No score

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 does not properly copy fields...

Record: GHSA-9wc8-4g2q-8xv5
Weakness: CWE-20
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-2011-4530 is a medium vulnerability (CVSS 5.0) 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 4.08%, the 90th percentile. No source names a fixed version.