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Fencer Intel
critical 10.0

CVE-2012-4705 in the critical feed json

Directory traversal vulnerability in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to execute arbitrary code via vector…

published 2013-02-24 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4630

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
64.9%
EPSS 64.9% chance of exploitation in 30 days, percentile 99.2%
public exploits
2
Metasploit, Exploit-DB

Summary

Directory traversal vulnerability in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to execute arbitrary code via vectors involving a crafted pathname.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-13-050-01A updated cvss 10.0

3S CODESYS Gateway-Server Vulnerabilities

  • 3S-Smart Software Solutions Gateway-Server <ver._2.3.9.27
    affected: mitigation “3S has produced a security patch that mitigates these vulnerabilities. The patch is available on the download site for CODESYS: CODESYS V2.3.9.38”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Timeline

  1. First public exploit (Metasploit exploit/windows/scada/codesys_gateway_server_traversal)
  2. Published

Exploit prediction

64.87% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.