Is CVE-2011-4056 being actively exploited?

CVE-2011-4056 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4056?

CVE-2011-4056 has a CVSS 2.0 base score of 5.8 (MEDIUM).

CVE-2011-4056

MEDIUM · CVSS 5.8EPSS 1.0%EU EUVD

An unspecified ActiveX control in ActBar.ocx in Siemens Tecnomatix FactoryLink 6.6.1 (aka 6.6 SP1), 7.5.217 (aka 7.5 SP2), and 8.0.2.54 allows remote attackers to create or overwrite arbitrary files via the save method.

Key facts

CVSS score: 5.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:P/A:N
EPSS score: 1.0% (64th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4008)
Published: January 8, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4008 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

siemens / tecnomatix factorylink
siemens / tecnomatix factorylink
siemens / tecnomatix factorylink

References

http://www.us-cert.gov/control_systems/pdf/ICSA-11-343-01.pdf(US Government Resource)
http://www.usdata.com/sea/factorylink/en/p_nav5.asp(Patch, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain