7.5
HIGH
CVE-2021-37386
Furukawa Electric LatAm HTML Injection Vulnerability
Description

Furukawa Electric LatAm 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were discovered to contain an HTML injection vulnerability via the serial number update function.

INFO

Published Date :

July 17, 2023, 5:15 p.m.

Last Modified :

Aug. 22, 2023, 10:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.3

Exploitability Score :

1.7
Affected Products

The following products are affected by CVE-2021-37386 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

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-2021-37386 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-37386 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 [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 Furukawa 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were discovered to contain an HTML injection vulnerability via the serial number update function. Furukawa Electric LatAm 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were discovered to contain an HTML injection vulnerability via the serial number update function.
  • Initial Analysis by [email protected]

    Jul. 26, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:H
    Changed Reference Type https://cwe.mitre.org/data/definitions/79.html No Types Assigned https://cwe.mitre.org/data/definitions/79.html Not Applicable
    Changed Reference Type https://gist.githubusercontent.com/LuigiPolidorio/ec78daac7c3d97966f2e3703ca5d1685/raw/d64a487407d6f9685d3907206954a6c84c6fa621/reference.txt No Types Assigned https://gist.githubusercontent.com/LuigiPolidorio/ec78daac7c3d97966f2e3703ca5d1685/raw/d64a487407d6f9685d3907206954a6c84c6fa621/reference.txt Third Party Advisory
    Changed Reference Type https://owasp.org/www-project-web-security-testing-guide/latest/4-Web_Application_Security_Testing/11-Client-side_Testing/03-Testing_for_HTML_Injection No Types Assigned https://owasp.org/www-project-web-security-testing-guide/latest/4-Web_Application_Security_Testing/11-Client-side_Testing/03-Testing_for_HTML_Injection Not Applicable
    Added CWE NIST CWE-79
    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:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 20, 2023

    Action Type Old Value New Value
    Changed Description HTML Injection vulnerability was found in some ONU models allows remote high privileged authenticated user to send arbitrary HTML tags via web interface, this vulnerability can cause deny of service after device is rebooted if an invalid serial number addressed. Furukawa 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were discovered to contain an HTML injection vulnerability via the serial number update function.
  • CVE Modified by [email protected]

    Jul. 20, 2023

    Action Type Old Value New Value
    Changed Description Furukawa 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were discovered to contain an HTML injection vulnerability via the serial number update function. HTML Injection vulnerability was found in some ONU models allows remote high privileged authenticated user to send arbitrary HTML tags via web interface, this vulnerability can cause deny of service after device is rebooted if an invalid serial number addressed.
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-2021-37386 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-2021-37386 weaknesses.

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

0.51994

percentile

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