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CVE-2011-4055

28
FAUCET Score

CVE-2011-4055 describes a critical buffer overflow vulnerability within the WebClient ActiveX control of Siemens Tecnomatix FactoryLink versions 6.6.1, 7.5.217, and 8.0.2.54. This flaw allows remote attackers to execute arbitrary code by supplying an excessively long string in a parameter related to the location URL. With a CVSS score of 9.3, this vulnerability is highly severe, indicating a network-based attack with medium complexity but complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, no public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
6.6.1CPE matchmatch criteria
cpe:2.3:a:siemens:tecnomatix_factorylink:6.6.1:*:*:*:*:*:*:*
7.5.217CPE matchmatch criteria
cpe:2.3:a:siemens:tecnomatix_factorylink:7.5.217:*:*:*:*:*:*:*
8.0.2.54CPE matchmatch criteria
cpe:2.3:a:siemens:tecnomatix_factorylink:8.0.2.54:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.76%
Probability of exploitation in next 30 days
EPSS Percentile
91.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0476 is in the 57th percentile among its peer group of 8,913 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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

exchange.xforce.ibmcloud.com / vulnerabilities/72117
securityfocus.com / bid/51266
us-cert.gov / control_systems/pdf/ICSA-11-343-01.pdf
US Government Resource
usdata.com / sea/factorylink/en/p_nav5.asp
PatchVendor Advisory