CVE-2019-6806
Public exploit available. Not confirmed exploited in the wild yet. 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-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of SNMP information when reading variables in the controller using Modbus.
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
1 source with a proof of concept or module.
Exploit links, PoCs and Metasploit modules after sign-in- EPSS
2.3% chance of exploitation activity in the next 30 days, which ranks it in the 83rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
The patch came 471 days before any public exploit.
- Public exploit / PoCsource: other
- Patch availableworkaround available, record updated
- Publishedweakness classified
Affected products
- Modicon M340ICS / OT / IoT
- Modicon PremiumICS / OT / IoT
- Modicon QuantumICS / OT / IoT
- Modicon M580ICS / OT / IoT
- Modicon M580 ControllerICS / OT / IoT
- Modicon M340 ControllerICS / OT / IoT
- Modicon MC80 ControllerICS / OT / IoT
- Modicon Momentum Unity M1E Processor (part numbers 171CBU*) ControllerICS / OT / IoT
And 5 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:H/I:N/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 HighTotal information disclosure — all data in the component is compromised
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
Sources
References in the record
- nvd.nist.gov/vuln/detail/CVE-2019-6806
- schneider-electric.com/en/download/document/SEVD-2019-134-11/
- talosintelligence.com/vulnerability_reports/TALOS-2019-0769
And 48 more references. See all after sign-in
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