CVE-2020-12015
No known exploitation. EPSS puts it in the 80th 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 specially crafted communication packet sent to the affected systems could cause a denial-of-service condition due to improper deserialization. This issue affects: Mitsubishi Electric MC Works64 version 4.02C (10.95.208.31) and earlier, all versions; Mitsubishi Electric MC Works32 version 3.00A (9.50.255.02); ICONICS GenBroker64, Platform Services, Workbench, FrameWorX Server version 10.96 and prior; ICONICS GenBroker32 version 9.5 and prior.
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
2.0% chance of exploitation activity in the next 30 days, which ranks it in the 80th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 1589 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- GenBroker64, Platform Services, Workbench, FrameWorX ServerICS / OT / IoT / industrial-network
- GenBroker32ICS / OT / IoT / building-automation
- energy analytixICS / OT / IoT / plc-scada-hmi
- facility analytixICS / OT / IoT / building-automation
- genesis64ICS / OT / IoT / plc-scada-hmi
- hyper historianICS / OT / IoT / plc-scada-hmi
- mobilehmiICS / OT / IoT / plc-scada-hmi
- quality analytixICS / OT / IoT / building-automation
And 7 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.
Sources
References in the record
- us-cert.gov/ics/advisories/icsa-20-170-03
- us-cert.gov/ics/advisories/icsa-20-170-02
- raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2020/icsa-20-170-03.json
And 16 more references. See all after sign-in
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