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
2026-03-14T11:04:54.189356Z
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.

References

Affected packages

Git / github.com/lettre/lettre

Affected ranges

Type
GIT
Repo
https://github.com/lettre/lettre
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
5e474677f9b9a7c68066fc5c9f6b6ec36f52c391
Database specific 
{
    "versions": [
        {
            "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
v0.6.1
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

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.10.0-alpha1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.10.0-alpha2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.10.0-alpha3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.10.0-alpha4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.10.0-alpha5"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.10.0-beta1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.10.0-beta2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.10.0-beta3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.10.0-beta4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.10.0-rc1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "0.10.0-rc2"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38189.json"