PatchTheCVECVE-2020-36449: An issue was discovered in the kekbit crate before 0.3.4 for Rust
CVE-2020-36449 is a high-severity flaw (CVSS 8.1) affecting kekbit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in the kekbit crate before 0.3.4 for Rust. For ShmWriter<H>, Send is implemented without requiring H: Send.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.2% (top 31%) |
| CISA exploited list | No |
| Weakness | CWE-77 |
| Published | 2021-08-08 |
| 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-2020-36449?
kekbit: upgrade to 0.3.4. Exact commands for each OS are on this page.
Is CVE-2020-36449 being exploited?
CVE-2020-36449 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-2020-36449 affect?
CVE-2020-36449 affects kekbit. Severity is high (CVSS 8.1). An issue was discovered in the kekbit crate before 0.3.4 for Rust. For ShmWriter<H>, Send is implemented without requiring H: Send.
How urgent is CVE-2020-36449?
Priority 56/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action