CVE-2020-7564
A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details)…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') 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 write access and the execution of commands when uploading a specially crafted file on the controller over FTP.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.14% probability · 65th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- schneider-electric/modicon tsxety4103 firmware · schneider-electric/modicon tsxety5103 firmware · schneider-electric/modicon tsxp574634 firmware · schneider-electric/modicon tsxp575634 firmware · schneider-electric/modicon tsxp576634 firmware · schneider-electric/modicon quantum 140noe77101 firmware · schneider-electric/modicon quantum 140noe77111 firmware · schneider-electric/modicon quantum 140noc78100 firmware · schneider-electric/modicon quantum 140cpu65150 firmware · schneider-electric/modicon quantum 140cpu65150c firmware · schneider-electric/modicon quantum 140cpu65160c firmware · schneider-electric/modicon quantum 140cpu65160 firmware · schneider-electric/modicon m340 bmx p34-2010 firmware · schneider-electric/modicon m340 bmx p34-2030 firmware · schneider-electric/modicon m340 bmx noc 0401 firmware · schneider-electric/modicon m340 bmx noe 0100 firmware · schneider-electric/modicon m340 bmx noe 0100h firmware · schneider-electric/modicon m340 bmx noe 0110 firmware · schneider-electric/modicon m340 bmx noe 0110h firmware · schneider-electric/modicon m340 bmx nor 0200h firmware
- Source
- cybersecurity@se.com
References
- https://www.se.com/ww/en/download/document/SEVD-2020-315-01/Vendor Advisory
- https://www.se.com/ww/en/download/document/SEVD-2020-315-01/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.