5.3
MEDIUM
CVE-2020-28247
"Lettre Sendmail Option Injection Vulnerability"
Description

The lettre library through 0.10.0-alpha for Rust allows arbitrary sendmail option injection via transport/sendmail/mod.rs.

INFO

Published Date :

Nov. 12, 2020, 6:15 p.m.

Last Modified :

Nov. 21, 2024, 5:22 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-28247 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-28247 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Lettre lettre
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-28247.

URL Resource
https://github.com/RustSec/advisory-db/pull/478/files Patch Third Party Advisory
https://github.com/lettre/lettre Product Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2020-0069.html Third Party Advisory
https://github.com/RustSec/advisory-db/pull/478/files Patch Third Party Advisory
https://github.com/lettre/lettre Product Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2020-0069.html Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 3 years, 3 months ago
0 stars 0 fork 0 watcher
Born at : March 8, 2021, 9:52 p.m. This repo has been linked 10 different CVEs too.

None

Updated: 1 month, 4 weeks ago
30 stars 2 fork 2 watcher
Born at : Jan. 5, 2021, 11:56 a.m. This repo has been linked 163 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-28247 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-28247 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/lettre/lettre
    Added Reference https://github.com/RustSec/advisory-db/pull/478/files
    Added Reference https://rustsec.org/advisories/RUSTSEC-2020-0069.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Jan. 29, 2021

    Action Type Old Value New Value
    Changed Reference Type https://github.com/lettre/lettre Product https://github.com/lettre/lettre Product, Third Party Advisory
    Changed Reference Type https://rustsec.org/advisories/RUSTSEC-2020-0069.html No Types Assigned https://rustsec.org/advisories/RUSTSEC-2020-0069.html Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:lettre:lettre:*:*:*:*:*:*:*:* versions up to (including) 0.9.4 *cpe:2.3:a:lettre:lettre:0.10.0:alpha1:*:*:*:*:*:* OR *cpe:2.3:a:lettre:lettre:0.7.0:*:*:*:*:*:*:* *cpe:2.3:a:lettre:lettre:*:*:*:*:*:*:*:* versions from (including) 0.8.0 up to (including) 0.8.3 *cpe:2.3:a:lettre:lettre:*:*:*:*:*:*:*:* versions from (including) 0.9.0 up to (including) 0.9.5 *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:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 26, 2021

    Action Type Old Value New Value
    Added Reference https://rustsec.org/advisories/RUSTSEC-2020-0069.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 30, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    Changed Reference Type https://github.com/lettre/lettre No Types Assigned https://github.com/lettre/lettre Product
    Changed Reference Type https://github.com/RustSec/advisory-db/pull/478/files No Types Assigned https://github.com/RustSec/advisory-db/pull/478/files Patch, Third Party Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:lettre:lettre:*:*:*:*:*:*:*:* versions up to (including) 0.9.4 *cpe:2.3:a:lettre:lettre:0.10.0:alpha1:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-28247 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-28247 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.26 }} 0.03%

score

0.46462

percentile

CVSS31 - Vulnerability Scoring System
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Latest DB Update: Jun. 09, 2025 7:02