Is CVE-2011-5058 being actively exploited?

CVE-2011-5058 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-5058?

CVE-2011-5058 has a CVSS 2.0 base score of 6.4 (MEDIUM).

CVE-2011-5058

MEDIUM · CVSS 6.4EPSS 1.8%EU EUVD

The CmbWebserver.dll module of the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to create arbitrary directories under the web root by specifying a non-existent directory using \ (backslash) characters in an HTTP GET request.

Key facts

CVSS score: 6.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:P/A:P
Weakness (CWE): CWE-264
EPSS score: 1.8% (78th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4961)
Published: January 10, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4961 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

3ssoftware / codesys

References

http://aluigi.altervista.org/adv/codesys_1-adv.txt(Exploit)
http://secunia.com/advisories/47018(Vendor Advisory)
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf(US Government Resource)
https://exchange.xforce.ibmcloud.com/vulnerabilities/72339

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

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