CVE-2020-7562
A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details...
No known exploitation. EPSS puts it in the 58th 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
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov
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
0.9% chance of exploitation activity in the next 30 days, which ranks it in the 58th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 2018 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- modicon tsxety4103 firmwareICS / OT / IoT
- modicon tsxety5103 firmwareICS / OT / IoT
- modicon tsxp574634 firmwareICS / OT / IoT
- modicon tsxp575634 firmwareICS / OT / IoT
- modicon tsxp576634 firmwareICS / OT / IoT
- modicon quantum 140noe77101 firmwareICS / OT / IoT
- modicon quantum 140noe77111 firmwareICS / OT / IoT
- modicon quantum 140noc78100 firmwareICS / OT / IoT
- Premium processors with integrated Ethernet COPROICS / OT / IoT
- Modicon M340 Ethernet Communication modules BMXNOE0100 (H)ICS / OT / IoT
- Modicon M340 Ethernet Communication modules BMXNOE0110 (H)ICS / OT / IoT
- Modicon Quantum Communication Modules 140NOC78x00ICS / OT / IoT
- Modicon Quantum communication modules 140NOE771x1ICS / OT / IoT
- Modicon M340ICS / OT / IoT
- Premium communication modulesICS / OT / IoT
- Modicon M340 Ethernet TCP/IP network module BMXNOC0401ICS / OT / IoT
And 14 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:L/UI:N/S:U/C:H/I:N/A:H
Scored 8.1 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 LowRequires basic user-level privileges
- 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 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
Watch the software you run.
My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.
We'll flag the next CVE, public exploit or patch for Schneider-electric, not every advisory.
A free account adds
- The full version matrix and every affected product
- Exploit links, proofs of concept and Metasploit modules
- Email alerts for the products you watch
- The same data over REST API, MCP and CLI