CVE-2022-3281
WAGO: multiple products - Loss of MAC-Address-Filtering after reboot
No known exploitation. EPSS puts it in the 52nd percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
WAGO Series PFC100/PFC200, Series Touch Panel 600, Compact Controller CC100 and Edge Controller in multiple versions are prone to a loss of MAC-Address-Filtering after reboot. This may allow an remote attacker to circumvent the reach the network that should be protected by the MAC address filter.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.7% chance of exploitation activity in the next 30 days, which ranks it in the 52nd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 766 days, from the signal feeds we watch.
- Patch availableworkaround available, record updated
- Publishedweakness classified
Affected products
- 750-81xx/xxx-xxx Series PFC100/PFC200ICS / OT / IoT
- 750-8217/xxx-xxx Series PFC100/PFC200ICS / OT / IoT
- 750-82xx/xxx-xxx Series PFC100/PFC200ICS / OT / IoT
- Compact Controller CC100ICS / OT / IoT
- 762-4xxx Series Touch Panel 600ICS / OT / IoT
- 762-5xxx Series Touch Panel 600ICS / OT / IoT
- 762-6xxx Series Touch Panel 600ICS / OT / IoT
- 752-8303/8000-002 Edge ControllerICS / OT / IoT
And 78 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Scored 7.5 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability NoneNo availability impact
Weaknesses
Sources
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