CVE-2022-40204Network attack vector

Authenticated browser script execution via Host header

Published Nov 30, 2022 · Updated Apr 16, 2025

Cross-site scripting in all Digital Alert Systems DASDEC software versions allows remote authenticated users to inject web script. Undisclosed pages after login incorporate an attacker-controlled Host header into generated HTML without safe neutralization. Exploitation requires low-privileged access and user interaction, with injected code executing in the viewing user's browser.

CVSS severity4.1
Medium
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in all Digital Alert Systems DASDEC software versions allows remote authenticated users to inject web script. Undisclosed pages after login incorporate an attacker-controlled Host header into generated HTML without safe neutralization. Exploitation requires low-privileged access and user interaction, with injected code executing in the viewing user's browser.

The record

CVE
CVE-2022-40204
Published
Nov 30, 2022
Updated
Apr 16, 2025
Vendor
Digital Alert Systems
Product
DASDEC
Classifications
CWE-79
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 30, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 16, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=all

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Digital Alert Systems · DASDECversion=all

Published CVSS scores

4.1ICS-CERT CNACVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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