CVE-2021-23429: All versions of package transpile are vulnerable to Denial of Service (DoS) due to a lack of input sanitizatio
CVE-2021-23429 is a medium-severity flaw (CVSS 6.5) affecting transpile. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
All versions of package transpile are vulnerable to Denial of Service (DoS) due to a lack of input sanitization or whitelisting, coupled with improper exception handling in the .to() function.
Why this priority
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.0% (top 37%) |
| CISA exploited list | No |
| Weakness | CWE-755 |
| Published | 2021-08-24 |
| 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-2021-23429?
transpile: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-23429 being exploited?
CVE-2021-23429 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-2021-23429 affect?
CVE-2021-23429 affects transpile. Severity is medium (CVSS 6.5). All versions of package transpile are vulnerable to Denial of Service (DoS) due to a lack of input sanitization or whitelisting, coupled with improper exception handling in the .to() function.
How urgent is CVE-2021-23429?
Priority 44/100. Public exploit reference