CVE-2021-23447

Name: CVE-2021-23447
Creator: NVD / NIST
Published: 2021-10-07T17:15:08.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.09%

Last modified Jun 17, 2026

CVE-2021-23447 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. This affects the package teddy before 0.5.9. A type confusion vulnerability can be used to bypass input sanitization when the model content is an array (instead of a string).. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

Description

This affects the package teddy before 0.5.9. A type confusion vulnerability can be used to bypass input sanitization when the model content is an array (instead of a string).

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.09%

61.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-843

Affected Software

Vendor	Product	Versions
Teddy Project	Teddy	< 0.5.9

References

https://github.com/rooseveltframework/teddy/pull/518Patch, Third Party Advisory
https://github.com/rooseveltframework/teddy/releases/tag/0.5.9Release Notes, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-TEDDY-1579557Exploit, Third Party Advisory
https://github.com/rooseveltframework/teddy/pull/518Patch, Third Party Advisory
https://github.com/rooseveltframework/teddy/releases/tag/0.5.9Release Notes, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-TEDDY-1579557Exploit, Third Party Advisory

Timeline

Published: Oct 7, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23447?

This affects the package teddy before 0.5.9. A type confusion vulnerability can be used to bypass input sanitization when the model content is an array (instead of a string).

How severe is CVE-2021-23447?

CVE-2021-23447 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23447?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23447?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST