CVE-2020-36449 json
Command injection in kekbit
published 2020-12-18 5 y ago modified 2026-06-17 4 mo ago also GHSA-g83m-67wh-whpw , RUSTSEC-2020-0129 , EUVD-2021-1717
- cvss
- 8.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
An issue was discovered in the kekbit crate before 0.3.4 for Rust. For ShmWriter<H>, Send is implemented without requiring H: Send.
Patch / fix
- crates.io kekbit 0.3.4
- kekbit_project kekbit 0.3.4
Exploit prediction
1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- rustsec.org https://rustsec.org/advisories/RUSTSEC-2020-0129.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | kekbit | <0.3.4 >=0.0.0-0, <0.3.4 |
0.3.4 |
Classification
- Weakness
-
- CWE-77 Improper Neutralization of Special Elements used in a Command
References
-
rustsec.org
/advisories/RUSTSEC-2020-0129.html
web, exploit, patch, third-party-advisory, advisory
-
raw.githubusercontent.com
/rustsec/advisory-db/main/crates/kekbit/RUSTSEC-2020-0129.md
third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-36449
advisory
-
github.com
/motoras/kekbit/issues/34
web, report
-
github.com
/motoras/kekbit
package
-
crates.io
/crates/kekbit
package
Sources
- CVE List CVE-2020-36449
- GitHub Advisory GHSA-g83m-67wh-whpw
- NVD CVE-2020-36449
- OSV RUSTSEC-2020-0129
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.