9.8
CRITICAL
CVE-2021-37384
Furukawa ONU Remote Command Execution
Description

RCE (Remote Code Execution) vulnerability was found in some Furukawa ONU models, this vulnerability allows remote unauthenticated users to send arbitrary commands to the device via web interface.

INFO

Published Date :

July 17, 2023, 9:15 p.m.

Last Modified :

Aug. 1, 2024, 1:42 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-37384 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 Furukawa 423-41w\/ac_firmware
2 Furukawa ld421-21w_firmware
3 Furukawa ld420-10r_firmware
4 Furukawa ld421-21wv_firmware
5 Furukawa 423-41w\/ac
6 Furukawa ld421-21w
7 Furukawa ld420-10r
8 Furukawa ld421-21wv
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-2021-37384.

URL Resource
https://cwe.mitre.org/data/definitions/94.html Not Applicable
https://gist.githubusercontent.com/LuigiPolidorio/9fe61cf2edee63152161ffc52c39f6cd/raw/529cf49103e0fdf4eeb970fa1f62fa508ebe7c3c/reference.txt Third Party Advisory
https://owasp.org/www-community/attacks/Code_Injection Not Applicable
https://www.softwall.com.br/cves/publicacao-rce-html-injection-furukawa/

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-2021-37384 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-37384 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 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 01, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-94
    Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE Modified by [email protected]

    May. 16, 2024

    Action Type Old Value New Value
    Changed Description A remote command execution (RCE) vulnerability in the web interface component of Furukawa Electric LatAM 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 allows unauthenticated attackers to send arbitrary commands to the device via unspecified vectors. RCE (Remote Code Execution) vulnerability was found in some Furukawa ONU models, this vulnerability allows remote unauthenticated users to send arbitrary commands to the device via web interface.
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Aug. 22, 2023

    Action Type Old Value New Value
    Added Reference https://www.softwall.com.br/cves/publicacao-rce-html-injection-furukawa/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 01, 2023

    Action Type Old Value New Value
    Changed Description A remote command execution (RCE) vulnerability in the web interface component of Furukawa 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 allows unauthenticated attackers to send arbitrary commands to the device via unspecified vectors. A remote command execution (RCE) vulnerability in the web interface component of Furukawa Electric LatAM 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 allows unauthenticated attackers to send arbitrary commands to the device via unspecified vectors.
  • Initial Analysis by [email protected]

    Jul. 28, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://cwe.mitre.org/data/definitions/94.html No Types Assigned https://cwe.mitre.org/data/definitions/94.html Not Applicable
    Changed Reference Type https://gist.githubusercontent.com/LuigiPolidorio/9fe61cf2edee63152161ffc52c39f6cd/raw/529cf49103e0fdf4eeb970fa1f62fa508ebe7c3c/reference.txt No Types Assigned https://gist.githubusercontent.com/LuigiPolidorio/9fe61cf2edee63152161ffc52c39f6cd/raw/529cf49103e0fdf4eeb970fa1f62fa508ebe7c3c/reference.txt Third Party Advisory
    Changed Reference Type https://owasp.org/www-community/attacks/Code_Injection No Types Assigned https://owasp.org/www-community/attacks/Code_Injection Not Applicable
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration AND OR *cpe:2.3:o:furukawa:423-41w\/ac_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0 OR cpe:2.3:h:furukawa:423-41w\/ac:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:furukawa:ld421-21w_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.0 OR cpe:2.3:h:furukawa:ld421-21w:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:furukawa:ld420-10r_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.0 OR cpe:2.3:h:furukawa:ld420-10r:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:furukawa:ld421-21wv_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.0 OR cpe:2.3:h:furukawa:ld421-21wv:-:*:*:*:*:*:*:*
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-2021-37384 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-2021-37384 weaknesses.

Exploit Prediction

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

1.44 }} 0.40%

score

0.86983

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
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