Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2011-4529

35
FAUCET Score

CVE-2011-4529 describes multiple buffer overflow vulnerabilities in Siemens Automation License Manager (ALM) versions 4.0 through 5.1+SP1+Upd1. These flaws allow unauthenticated remote attackers to execute arbitrary code by sending a crafted _licensekey command with an overly long serialid field. With a CVSS score of 7.5, this vulnerability is considered high severity due to its network attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, public exploit code exists on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.1CPE matchmatch criteria
cpe:2.3:a:siemens:automation_license_manager:*:sp1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.16%
Probability of exploitation in next 30 days
EPSS Percentile
93.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-18165 · Nov 28, 2011
This CVE's current EPSS score of 0.0716 is in the 89th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

aluigi.altervista.org / adv/almsrvx_1-adv.txt
Exploit
support.automation.siemens.com / WW/llisapi.dll/57252401
Vendor Advisory
support.automation.siemens.com / WW/view/en/114358
us-cert.gov / control_systems/pdf/ICSA-11-361-01.pdf
US Government Resource