High severity · published Nov 18, 2020
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…
8.1
CVSS
0.9%
EPSS
No
On KEV
Description
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) which could cause a segmentation fault or a buffer overflow when uploading a specially crafted file on the controller over FTP.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
Modicon M340 Bmx Noc 0401 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmx Noe 0100 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmx Noe 0100h Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmx Noe 0110 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmx Noe 0110h Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmx Nor 0200h Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmx P34-2010 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmx P34-2030 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MQ
Modicon Quantum 140cpu65150 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MQ
Modicon Quantum 140cpu65150c Firmware · Schneider-electric
All versions, or not specified · source: NVD
MQ
Modicon Quantum 140cpu65160 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MQ
Modicon Quantum 140cpu65160c Firmware · Schneider-electric
All versions, or not specified · source: NVD
Affected product
MM
Modicon M340 Bmx Noc 0401 Firmware
Schneider-electric
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-7562
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-7562
Vendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2020-315-01/
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