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.
Conclusion & alert: CVE-2011-5058 is rated High Exploit Risk (67.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.25%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 1.42% | 1.25% | -0.18% |
| 2 | 2025-03-29 | 1.25% | 1.42% | +0.18% |
| 3 | 2025-03-17 | — | 1.25% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| 3ssoftware | codesys | 3.4 | cpe:2.3:a:3ssoftware:codesys:3.4:sp4:patch2:*:*:*:*:* |
| URL | Tags |
|---|---|
| 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 |