Medium severity5.3NVD Advisory· Published Nov 12, 2020· Updated Jun 17, 2026
CVE-2020-28247
CVE-2020-28247
Description
The lettre library through 0.10.0-alpha for Rust allows arbitrary sendmail option injection via transport/sendmail/mod.rs.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
lettrecrates.io | >= 0.9.0, < 0.9.5 | 0.9.5 |
lettrecrates.io | >= 0.8.0, < 0.8.4 | 0.8.4 |
lettrecrates.io | >= 0.7.0, < 0.7.1 | 0.7.1 |
Affected products
7- Rust/lettre librarydescription
cpe:2.3:a:lettre:lettre:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:lettre:lettre:*:*:*:*:*:*:*:*range: >=0.8.0,<=0.8.3
- cpe:2.3:a:lettre:lettre:0.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:lettre:lettre:0.10.0:alpha1:*:*:*:*:*:*
- cpe:2.3:a:lettre:lettre:0.10.0:alpha2:*:*:*:*:*:*
- cpe:2.3:a:lettre:lettre:0.10.0:alpha3:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
6- github.com/RustSec/advisory-db/pull/478/filesnvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-vc2p-r46x-m3vxghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-28247ghsaADVISORY
- rustsec.org/advisories/RUSTSEC-2020-0069.htmlnvdThird Party AdvisoryWEB
- github.com/lettre/lettre/pull/508/commits/bbe7cc5381c5380b54fb8bbb4f77a3725917ff0bghsaWEB
- github.com/lettre/lettre/security/advisories/GHSA-vc2p-r46x-m3vxghsaWEB
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