CVE-2012-4691 json
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…
published 2012-12-18 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4616
- cvss
- 3.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
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.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-12-349-01 updated cvss 8.6
Siemens Automation License Manager Uncontrolled Resource Consumption
-
Siemens Automation License Manager >= 4.0, < 5.2affected: fixed in V5.2, mitigation support.industry.siemens.com
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
Exploit prediction
0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 3.3 | AV:A/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
References
-
siemens.com
/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-783261.pdf
vendor-advisory
-
us-cert.gov
/control_systems/pdf/ICSA-12-349-01.pdf
us-government-resource
Sources
- CVE List CVE-2012-4691
- NVD CVE-2012-4691
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.