7.2
HIGH CVSS 3.1
CVE-2021-47858
Genexis Platinum-4410 P4410-V2-1.31A - 'start_addr' Persistent Cross-Site Scripting
Description

Genexis Platinum-4410 P4410-V2-1.31A contains a stored cross-site scripting vulnerability in the 'start_addr' parameter of the Security Management interface. Attackers can inject malicious scripts through the start source address field that will persist and trigger for privileged users when they access the security management page.

INFO

Published Date :

Jan. 21, 2026, 6:16 p.m.

Last Modified :

Jan. 21, 2026, 6:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2021-47858 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.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH MITRE-CVE
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update the device firmware to patch the stored XSS vulnerability in the security management interface.
  • Update the device firmware to the latest version.
  • Validate that the start_addr parameter is properly sanitized.
  • Restrict access to the security management interface.
  • Monitor security logs for suspicious activity.
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-2021-47858.

URL Resource
https://genexis.eu/product/platinum-series/
https://www.exploit-db.com/exploits/49709
https://www.vulncheck.com/advisories/genexis-platinum-p-a-startaddr-persistent-cross-site-scripting
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47858 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-2021-47858 weaknesses.

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-2021-47858 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47858 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.

  • New CVE Received by [email protected]

    Jan. 21, 2026

    Action Type Old Value New Value
    Added Tag unsupported-when-assigned
    Added Description Genexis Platinum-4410 P4410-V2-1.31A contains a stored cross-site scripting vulnerability in the 'start_addr' parameter of the Security Management interface. Attackers can inject malicious scripts through the start source address field that will persist and trigger for privileged users when they access the security management page.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    Added CWE CWE-79
    Added Reference https://genexis.eu/product/platinum-series/
    Added Reference https://www.exploit-db.com/exploits/49709
    Added Reference https://www.vulncheck.com/advisories/genexis-platinum-p-a-startaddr-persistent-cross-site-scripting
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.
Vulnerability Scoring Details
Base CVSS Score: 5.1
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 7.2
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact