CVE-2022-0222
No known exploitation. EPSS puts it in the 47th 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
A CWE-269: Improper Privilege Management vulnerability exists that could cause a denial of service of the Ethernet communication of the controller when sending a specific request over SNMP. Affected products: Modicon M340 CPUs(BMXP34* versions prior to V3.40), Modicon M340 X80 Ethernet Communication modules:BMXNOE0100 (H), BMXNOE0110 (H), BMXNOR0200H RTU(BMXNOE* all versions)(BMXNOR* versions prior to v1.7 IR24)
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
0.6% chance of exploitation activity in the next 30 days, which ranks it in the 47th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 1311 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- modicon m340 bmxp341000 firmwareICS / OT / IoT
- modicon m340 bmxp342000 firmwareICS / OT / IoT
- modicon m340 bmxp342010 firmwareICS / OT / IoT
- modicon m340 bmxp3420102 firmwareICS / OT / IoT
- modicon m340 bmxp342020 firmwareICS / OT / IoT
- modicon m340 bmxp342020h firmwareICS / OT / IoT
- modicon m340 bmxp342030 firmwareICS / OT / IoT
- modicon m340 bmxp3420302 firmwareICS / OT / IoT
- Modicon M340 CPUsICS / OT / IoT
- Modicon M340 X80 Ethernet Communication modules: BMXNOE0100 (H) BMXNOE0110 (H) BMXNOR0200H RTUICS / OT / IoT
- Modicon M340 Ethernet Communication modules BMXNOE0100 (H)ICS / OT / IoT
- Modicon M340 Ethernet Communication modules BMXNOE0110 (H)ICS / OT / IoT
- Modicon M340 CPU BMXP34ICS / OT / IoT
- Modicon M340 X80 Ethernet Communication modules BMXNOR0200H RTUICS / OT / IoT
And 6 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:N/A:H
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 NoneNo integrity impact
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Privilege EscalationT1068Exploitation for Privilege Escalationhigh confidence
Sources
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