CVE-2020-14521
Mitsubishi Electric Factory Automation Engineering Products Unquoted Search Path or Element
No known exploitation. EPSS puts it in the 69th 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
Multiple Mitsubishi Electric Factory Automation engineering software products have a malicious code execution vulnerability. A malicious attacker could use this vulnerability to obtain information, modify information, and cause a denial-of-service condition.
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
1.3% chance of exploitation activity in the next 30 days, which ranks it in the 69th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 1014 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- C Controller Interface Module UtilityICS / OT / IoT
- CC-Link IE Control Network Data CollectorICS / OT / IoT
- CC-Link IE Field Network Data CollectorICS / OT / IoT
- CC-Link IE TSN Data CollectorICS / OT / IoT
- CPU Module Logging Configuration ToolICS / OT / IoT
- CW ConfiguratorICS / OT / IoT
- Data TransferICS / OT / IoT
- EZSocketICS / OT / IoT
- c controller interface module utilityICS / OT / IoT
- c controller module setting and monitoring toolICS / OT / IoT
- cc-link ie control network data collectorICS / OT / IoT
- cc-link ie field network data collectorICS / OT / IoT
- cc-link ie tsn data collectorICS / OT / IoT
- cpu module logging configuration toolICS / OT / IoT
- cw configuratorICS / OT / IoT
- data transferICS / OT / IoT
And 76 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Scored 8.3 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- 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.
- PersistenceT1574Hijack Execution Flowhigh confidence
- Privilege EscalationT1068Exploitation for Privilege Escalationmedium confidence
Sources
Watch the software you run.
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We'll flag the next CVE, public exploit or patch for Mitsubishi Electric, not every advisory.
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