5.3
MEDIUM
CVE-2020-29138
SAGEMCOM F@ST3486 NET DOCSIS 3.0 Unauthenticated Remote File Inclusion
Description

Incorrect Access Control in the configuration backup path in SAGEMCOM F@ST3486 NET DOCSIS 3.0, software NET_4.109.0, allows remote unauthenticated users to download the router configuration file via the /backupsettings.conf URI, when any valid session is running.

INFO

Published Date :

Nov. 27, 2020, 4:15 p.m.

Last Modified :

Nov. 21, 2024, 5:23 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-29138 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 Sagemcom f\@st_3486_router_firmware
2 Sagemcom f\@st_3486_router
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-2020-29138.

URL Resource
https://medium.com/%40alexandrevvo/improper-access-control-in-the-sagemcom-router-model-f-st3486-net-797968e8adc8
https://medium.com/%40alexandrevvo/improper-access-control-in-the-sagemcom-router-model-f-st3486-net-797968e8adc8

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).

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

The following list is the news that have been mention CVE-2020-29138 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-29138 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://medium.com/%40alexandrevvo/improper-access-control-in-the-sagemcom-router-model-f-st3486-net-797968e8adc8
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://medium.com/%40alexandrevvo/improper-access-control-in-the-sagemcom-router-model-f-st3486-net-797968e8adc8 [No types assigned]
    Removed Reference MITRE https://medium.com/@alexandrevvo/improper-access-control-in-the-sagemcom-router-model-f-st3486-net-797968e8adc8
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-862 CWE-306
  • Initial Analysis by [email protected]

    Dec. 01, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    Changed Reference Type https://medium.com/@alexandrevvo/improper-access-control-in-the-sagemcom-router-model-f-st3486-net-797968e8adc8 No Types Assigned https://medium.com/@alexandrevvo/improper-access-control-in-the-sagemcom-router-model-f-st3486-net-797968e8adc8 Exploit, Third Party Advisory
    Added CWE NIST CWE-862
    Added CPE Configuration AND OR *cpe:2.3:o:sagemcom:f\@st_3486_router_firmware:4.109.0:*:*:*:*:*:*:* OR cpe:2.3:h:sagemcom:f\@st_3486_router:3.0:*:*:*:*:*:*:*
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-2020-29138 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

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

0.16 }} 0.00%

score

0.52596

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability