Use-after-free vulnerability in the server application in 3S CODESYS Gateway 2.3.9.27…
Priority MEDIUM 49CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Use-after-free vulnerability in the server application in 3S CODESYS Gateway 2.3.9.27 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via unspecified vectors.
Why it matters now
EPSS 0.03799 90th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:3s-software:codesys_gateway-server:2.3.9.27:*:*:*:*:*:*:* | 2.3.9.27 | Vulnerable | 3s-software |
- cpe:2.3:a:3s-software:codesys_gateway-server:2.3.9.27:*:*:*:*:*:*:* Versions 2.3.9.27 Vulnerable ·3s-software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2013-2781
- 2026-10-03 Alias added: GHSA-g4gg-mp54-wh67
- 2026-10-31 EPSS moved to the 90th–95th percentile
References
More 3s-software Codesys Gateway-server vulnerabilities
- TI-2012-04011 Directory traversal vulnerability in 3S CODESYS Gateway-Server before 2.3.9.27 allows… CVSS 2.0HIGH 10.0
- TI-2012-04014 Stack-based buffer overflow in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote… CVSS 2.0HIGH 10.0
- TI-2012-04010 Array index error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to… CVSS 2.0HIGH 10.0
- TI-2012-04013 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
- TI-2012-04012 Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote… CVSS 2.0HIGH 7.8
Sources
- CVE-2013-2781 · CVE Program
- CVE-2013-2781 · NVD
- FIRST EPSS
- GHSA-g4gg-mp54-wh67 · GitHub Advisory Database · CC BY 4.0
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