CVE-2021-1725 Bot Framework SDK Information Disclosure Vulnerability

Medium 5.5 Published 12 Jan 2021 Updated 8 Oct 2024

An authentication bypass in the Bot Framework SDK allows attackers to access sensitive information without proper credentials.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2021-1725?

CVE-2021-1725 is a medium-severity authentication bypass vulnerability in Microsoft Bot Framework SDK for .NET Framework, published on 12 Jan 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Bot Framework SDK Information Disclosure Vulnerability

Weakness: CWE-287

Which versions are affected by CVE-2021-1725?

17 open source packages ship an affected version, including botframework-connector. It affects 1 product.

Package	Affected	Fixed in
`botframework-connector` PyPI	From `4.10.0`	`4.10.1`
`botframework-connector` PyPI	From `4.10.0`	`4.10.1`
`botframework-connector` PyPI	From `4.7.0`	`4.7.2, 4.8.1, 4.9.3, 4.10.1`
`botframework-connector` PyPI	From `4.7.0`	`4.7.2`
`botframework-connector` PyPI	From `4.7.0`	`4.7.2`
`botframework-connector` PyPI	From `4.8.0`	`4.8.1`

11 more packages

`botframework-connector` PyPI	From `4.8.0`	`4.8.1`
`botframework-connector` PyPI	From `4.9.0`	`4.9.3`
`botframework-connector` PyPI	From `4.9.0`	`4.9.3`
`botframework-connector` npm	From `4.10.0`	`4.10.3`
`botframework-connector` npm	From `4.10.0`	`4.10.3`
`botframework-connector` npm	From `4.7.0`	`4.7.3`
`botframework-connector` npm	From `4.7.0`	`4.7.3`
`botframework-connector` npm	From `4.8.0`	`4.8.1`
`botframework-connector` npm	From `4.8.0`	`4.8.1`
`botframework-connector` npm	From `4.9.0`	`4.9.4`
`botframework-connector` npm	From `4.9.0`	`4.9.4`

Products include Microsoft Bot Framework Software Development Kit.

How do I fix CVE-2021-1725?

Upgrade botframework-connector to a fixed version for your release line: 4.10.1, 4.7.2, 4.8.1 or 4.9.3.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-1725 being exploited?

There is no known exploitation of CVE-2021-1725 in the wild and no public exploit code.

CVE-2021-43225 Bot Framework SDK Remote Code Execution Vulnerability High 7.5

Sources

Also known as GHSA-cqff-fx2x-p86v, GHSA-fvcj-hvfw-7f2v, PYSEC-2021-422.