CVE-2021-1725 json
Bot Framework SDK Information Disclosure Vulnerability
published 2021-01-12 5 y ago modified 2026-06-17 4 mo ago also GHSA-cqff-fx2x-p86v , GHSA-fvcj-hvfw-7f2v , PYSEC-2021-422 , EUVD-2021-0037
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
Bot Framework SDK Information Disclosure Vulnerability
Patch / fix
- npm botframework-connector 4.7.3, 4.8.1, 4.9.4, 4.10.3
- pypi botframework-connector 4.7.2, 4.8.1, 4.9.3, 4.10.1
Exploit prediction
1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.5 | 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 |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | botframework-connector | >=4.7.0, <4.7.3 >=4.8.0, <4.8.1 >=4.9.0, <4.9.4 >=4.10.0, <4.10.3 |
4.7.3 4.8.1 4.9.4 4.10.3 |
| pypi | botframework-connector | >=4.7.0, <4.7.2 >=4.8.0, <4.8.1 >=4.9.0, <4.9.3 >=4.10.0, <4.10.1 |
4.7.2 4.8.1 4.9.3 4.10.1 |
Affected products
- Microsoft Bot Framework SDK for .NET Framework
- Microsoft Bot Framework SDK for JavaScript
- Microsoft Bot Framework SDK for Python
Classification
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2021-1725
vendor-advisory
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2021-1725
web, advisory
-
github.com
/microsoft/botbuilder-js/security/advisories/GHSA-fvcj-hvfw-7f2v
web
-
nvd.nist.gov
/vuln/detail/CVE-2021-1725
advisory
-
aka.ms
/SkillClaimsValidationJavascript
web
-
github.com
/microsoft/botbuilder-js
package
-
npmjs.com
/package/botframework-connector
web
-
github.com
/microsoft/botbuilder-python/security/advisories/GHSA-cqff-fx2x-p86v
web, advisory
-
github.com
/microsoft/botbuilder-python/blob/main/doc/SkillClaimsValidation.md
web
-
github.com
/pypa/advisory-database/tree/main/vulns/botframework-connector/PYSEC-2021-422.yaml
web
-
pypi.org
/project/botframework-connector
web
Sources
- CVE List CVE-2021-1725
- GitHub Advisory GHSA-fvcj-hvfw-7f2v
- GitHub Advisory GHSA-cqff-fx2x-p86v
- NVD CVE-2021-1725
- OSV PYSEC-2021-422
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.