CVE-2021-23447: This affects the package teddy before 0.5.9
CVE-2021-23447 is a medium-severity flaw (CVSS 5.4) affecting teddy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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).
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.1% (top 34%) |
| CISA exploited list | No |
| Weakness | CWE-843 |
| Published | 2021-10-07 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-23447?
teddy: upgrade to 0.5.9. Exact commands for each OS are on this page.
Is CVE-2021-23447 being exploited?
CVE-2021-23447 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-23447 affect?
CVE-2021-23447 affects teddy. Severity is medium (CVSS 5.4). 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 urgent is CVE-2021-23447?
Priority 40/100. Public exploit reference