CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NCVE-2020-28247
Medium (5.3) in lettre lettre. EPSS 1.5% chance of exploitation in the next 30 days. Fixed in lettre 0.10.0-alpha.4, 0.7.1, 0.8.4.
The lettre library through 0.10.0-alpha for Rust allows arbitrary sendmail option injection via transport/sendmail/mod.rs.
Severity
- EPSS
- 1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- lettre:lettre
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-vc2p-r46x-m3vx | crates.io | lettre | >=0.9.0 <0.9.5 | 0.9.5 |
| GHSA-vc2p-r46x-m3vx | crates.io | lettre | >=0.8.0 <0.8.4 | 0.8.4 |
| GHSA-vc2p-r46x-m3vx | crates.io | lettre | >=0.7.0 <0.7.1 | 0.7.1 |
| RUSTSEC-2020-0069 | crates.io | lettre | >=0.7.0 <0.7.1 >=0.8.0 <0.8.4 >=0.9.0 <0.9.5 >=0.10.0-alpha.1 <0.10.0-alpha.4 | 0.7.1, 0.8.4, 0.9.5, 0.10.0-alpha.4 |