CVE-2022-40190: SAUTER Controls moduWeb firmware version 2.7.1 is vulnerable to reflective cross-site scripting (XSS)

This month

HIGH 8.8MITIGATE

CVE-2022-40190 is a high-severity flaw (CVSS 8.8) affecting moduweb firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SAUTER Controls moduWeb firmware version 2.7.1 is vulnerable to reflective cross-site scripting (XSS). The web application does not adequately sanitize request strings of malicious JavaScript. An attacker utilizing XSS could then execute malicious code in users’ browsers and steal sensitive information, including user credentials.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-10-31
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: sauter-controls

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-10-31 21:15 UTCPublished CVE record published
2026-06-17 05:01 UTCUpdated Record last modified

sauter-controls moduweb firmware MITIGATE

Affected: 2.7.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.7.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-40190?

moduweb firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-40190 being exploited?

CVE-2022-40190 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-40190 affect?

CVE-2022-40190 affects moduweb firmware. Severity is high (CVSS 8.8). SAUTER Controls moduWeb firmware version 2.7.1 is vulnerable to reflective cross-site scripting (XSS). The web application does not adequately sanitize request strings of malicious JavaScript. An attacker utilizing XSS could then execute ma

How urgent is CVE-2022-40190?

Priority 45/100. High severity

References

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