CVE-2020-36204: An issue was discovered in the im crate through 2020-11-09 for Rust
CVE-2020-36204 is a medium-severity flaw (CVSS 4.7) affecting im. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in the im crate through 2020-11-09 for Rust. Because TreeFocus does not have bounds on its Send trait or Sync trait, a data race can occur.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.7 (Medium) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 73%) |
| CISA exploited list | No |
| Published | 2021-01-26 |
| 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-2020-36204?
im: upgrade to newer than 2020-11-09. Exact commands for each OS are on this page.
Is CVE-2020-36204 being exploited?
CVE-2020-36204 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-2020-36204 affect?
CVE-2020-36204 affects im. Severity is medium (CVSS 4.7). An issue was discovered in the im crate through 2020-11-09 for Rust. Because TreeFocus does not have bounds on its Send trait or Sync trait, a data race can occur.
How urgent is CVE-2020-36204?
Priority 28/100. Public exploit reference