AUGUST 4, 2026
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Case File

CVE-2021-38189

CRITICAL · CVSS 9.8 EPSS 1.49%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-08 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2021-38189
Severity
CRITICAL
CVSS
9.8
EPSS
1.49%

Original NVD Description

An issue was discovered in the lettre crate before 0.9.6 for Rust. In an e-mail message body, an attacker can place a . character after two <CR><LF> sequences and then inject arbitrary SMTP commands.

Related CVEs

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