CVE-2021-38189

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Source

https://cve.org/CVERecord?id=CVE-2021-38189

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38189.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2021-38189

Aliases

Published

2021-08-08T06:15:08.893Z

Modified

2026-07-08T05:59:49.196163551Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

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.

Database specific

{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "0.10.0-alpha1"
                },
                {
                    "last_affected": "0.10.0-alpha1"
                },
                {
                    "introduced": "0.10.0-alpha2"
                },
                {
                    "last_affected": "0.10.0-alpha2"
                },
                {
                    "introduced": "0.10.0-alpha3"
                },
                {
                    "last_affected": "0.10.0-alpha3"
                },
                {
                    "introduced": "0.10.0-alpha4"
                },
                {
                    "last_affected": "0.10.0-alpha4"
                },
                {
                    "introduced": "0.10.0-alpha5"
                },
                {
                    "last_affected": "0.10.0-alpha5"
                },
                {
                    "introduced": "0.10.0-beta1"
                },
                {
                    "last_affected": "0.10.0-beta1"
                },
                {
                    "introduced": "0.10.0-beta2"
                },
                {
                    "last_affected": "0.10.0-beta2"
                },
                {
                    "introduced": "0.10.0-beta3"
                },
                {
                    "last_affected": "0.10.0-beta3"
                },
                {
                    "introduced": "0.10.0-beta4"
                },
                {
                    "last_affected": "0.10.0-beta4"
                },
                {
                    "introduced": "0.10.0-rc1"
                },
                {
                    "last_affected": "0.10.0-rc1"
                },
                {
                    "introduced": "0.10.0-rc2"
                },
                {
                    "last_affected": "0.10.0-rc2"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "lettre:lettre",
            "cpes": [
                "cpe:2.3:a:lettre:lettre:0.10.0:alpha1:*:*:*:rust:*:*",
                "cpe:2.3:a:lettre:lettre:0.10.0:alpha2:*:*:*:rust:*:*",
                "cpe:2.3:a:lettre:lettre:0.10.0:alpha3:*:*:*:rust:*:*",
                "cpe:2.3:a:lettre:lettre:0.10.0:alpha4:*:*:*:rust:*:*",
                "cpe:2.3:a:lettre:lettre:0.10.0:alpha5:*:*:*:rust:*:*",
                "cpe:2.3:a:lettre:lettre:0.10.0:beta1:*:*:*:rust:*:*",
                "cpe:2.3:a:lettre:lettre:0.10.0:beta2:*:*:*:rust:*:*",
                "cpe:2.3:a:lettre:lettre:0.10.0:beta3:*:*:*:rust:*:*",
                "cpe:2.3:a:lettre:lettre:0.10.0:beta4:*:*:*:rust:*:*",
                "cpe:2.3:a:lettre:lettre:0.10.0:rc1:*:*:*:rust:*:*",
                "cpe:2.3:a:lettre:lettre:0.10.0:rc2:*:*:*:rust:*:*"
            ]
        }
    ]
}

References

Affected packages

Git / github.com/lettre/lettre

Affected ranges

Type

GIT

Repo

https://github.com/lettre/lettre

Events

Introduced

Fixed

5e474677f9b9a7c68066fc5c9f6b6ec36f52c391

Database specific

{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:lettre:lettre:*:*:*:*:*:rust:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.9.6"
        }
    ]
}

Affected versions

v0.*

v0.0.11

v0.0.13

v0.0.9

v0.1.0

v0.1.1

v0.1.2

v0.2.0

v0.3.0

v0.4.0

v0.5.0

v0.5.1

v0.6.0

v0.7.0

v0.8.0

v0.9.0

v0.9.1

v0.9.2

v0.9.3

v0.9.4

v0.9.5

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38189.json"