CVE-2012-4691

low
Published 2012-12-18 · Modified 2026-04-29
CVSS v3
CVSS v2
3.3
VIR risk
3.3

Description

Memory leak in Siemens Automation License Manager (ALM) 4.x and 5.x before 5.2 allows remote attackers to cause a denial of service (memory consumption) via crafted packets.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: ics-cert@hq.dhs.gov — http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-783261.pdf

Application impact

VendorProductVersionsFixed
siemensautomation_license_manager4.0
siemensautomation_license_manager5.0
siemensautomation_license_manager5.1

References

CWEs

CWE-399

Verify integrity in audit chain (admin only). AS-IS.