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.
CVE-2012-4705
- High exploitation likelihood — EPSS 66%
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 99.2%
- KEV
- Not listed
Published
February 24, 2013
Last Modified
April 29, 2026
References (2)
- ics-cert@hqhttp://ics-cert.us-cert.gov/advisories/ICSA-13-050-01A
- af854a3a-2127-422b-91ae-364da2661108http://ics-cert.us-cert.gov/advisories/ICSA-13-050-01A
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 3× in last 7d / 27× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-05 02:26 UTCEPSS rescore
- 2026-07-02 14:01 UTCEPSS rescore
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- 2026-06-28 04:53 UTCEPSS rescore
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- 2026-06-08 14:14 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 00:50 UTCEG score recompute
- 2026-05-29 00:50 UTCGHSA enrichment
- 2026-05-27 13:38 UTCEPSS rescore
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- 2026-05-26 07:16 UTCEPSS rescore
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- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(2 references)Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-41712✓ verifiedFirst seen Feb 2, 2013
CADA 3S CoDeSys Gateway Server - Directory Traversal (Metasploit)
Open source ↗ - Metasploitexploit/windows/scada/codesys_gateway_server_traversal✓ verifiedFirst seen Feb 2, 2013
SCADA 3S CoDeSys Gateway Server Directory Traversal
Open source ↗
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2012-4705?
When was CVE-2012-4705 disclosed?
Is CVE-2012-4705 actively exploited?
How do I remediate CVE-2012-4705?
Dependency Blast Radius
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