How severe is CVE-2021-23447?

CVE-2021-23447 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-23447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23447?

CVE-2021-23447 affects Teddy Project Teddy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23447?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-23447 published?

CVE-2021-23447 was published on 2021-10-07 and last updated on 2026-06-17.

CVE-2021-23447

CVE-2021-23447 is a medium-severity vulnerability in Teddy Project Teddy with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 4.3
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-843
Affected product: Teddy Project Teddy
Published: 2021-10-07
Last modified: 2026-06-17

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).

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 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-23447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23447?: CVE-2021-23447 affects Teddy Project Teddy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-23447 published?: CVE-2021-23447 was published on 2021-10-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:teddy_project:teddy:*:*:*:*:*:node.js:*:*

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