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CVE-2022-3073: Quanos "SCHEMA ST4" example web templates in version Bootstrap 2019 v2/2021 v1/2022 v1/2022 SP1 v1 or below ar

32
Routine
MEDIUM 6.1MITIGATEMITIGATEMITIGATE

CVE-2022-3073 is a medium-severity flaw (CVSS 6.1) affecting 19 iot md01 lan h4 s0011 firmware, fp iot md01 4eu s2 00000 firmware, fp iot md01 lan s2 00000 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Quanos "SCHEMA ST4" example web templates in version Bootstrap 2019 v2/2021 v1/2022 v1/2022 SP1 v1 or below are prone to JavaScript injection allowing a remote attacker to hijack existing sessions to e.g. other web services in the same environment or execute scripts in the users browser environment. The affected script is '*-schema.js'.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.1 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.5% (top 58%)
CISA exploited listNo
WeaknessCWE-79
Published2022-12-14
Last modified2026-06-17
Publisher (CNA): CERT VDE · Vendor: weidmueller

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

weidmueller 19 iot md01 lan h4 s0011 firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
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.
weidmueller fp iot md01 4eu s2 00000 firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
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.
weidmueller fp iot md01 lan s2 00000 firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
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.
weidmueller fp iot md01 lan s2 00011 firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
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.
weidmueller fp iot md02 4eu s3 00000 firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
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.
weidmueller iot-gw30 firmware UPGRADE
Affected: <= 1.16.0
Fixed in: newer than 1.16.0
Safe to downgrade to: no unaffected older release
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-2022-3073?

19 iot md01 lan h4 s0011 firmware: mitigate or apply the listed mitigation; fp iot md01 4eu s2 00000 firmware: mitigate or apply the listed mitigation; fp iot md01 lan s2 00000 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-3073 being exploited?

CVE-2022-3073 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-2022-3073 affect?

CVE-2022-3073 affects 19 iot md01 lan h4 s0011 firmware, fp iot md01 4eu s2 00000 firmware, fp iot md01 lan s2 00000 firmware. Severity is medium (CVSS 6.1). Quanos "SCHEMA ST4" example web templates in version Bootstrap 2019 v2/2021 v1/2022 v1/2022 SP1 v1 or below are prone to JavaScript injection allowing a remote attacker to hijack existing sessions to e.g. other web services in the same envi

How urgent is CVE-2022-3073?

Priority 32/100. No elevated risk signals yet.

Software pages

Bootstrap vulnerabilities

References

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