CVE-2018-7758
A denial of service vulnerability exists in Schneider Electric's MiCOM Px4x (P540 range excluded) with legacy Ethernet board, MiCOM P540D Range with Legacy Ethernet Board, and MiCOM Px4x Rejuvenated could lose network communication in case of TCP/IP…
Does this matter?
Lower severity and a low EPSS score (0.63%). Track it; it rarely justifies an emergency change on its own.
Description
A denial of service vulnerability exists in Schneider Electric's MiCOM Px4x (P540 range excluded) with legacy Ethernet board, MiCOM P540D Range with Legacy Ethernet Board, and MiCOM Px4x Rejuvenated could lose network communication in case of TCP/IP open requests on port 20000 (DNP3oE) if an older TCI/IP session is still open with identical IP address and port number.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.63% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-613
- Affected
- schneider-electric/micom p141 firmware · schneider-electric/micom p142 firmware · schneider-electric/micom p143 firmware · schneider-electric/micom p145 firmware · schneider-electric/micom p642 firmware · schneider-electric/micom p643 firmware · schneider-electric/micom p645 firmware · schneider-electric/micom p849 firmware · schneider-electric/micom p746 firmware · schneider-electric/micom p841a firmware · schneider-electric/micom p841b firmware · schneider-electric/micom p443 firmware · schneider-electric/micom p445 firmware · schneider-electric/micom p446 firmware · schneider-electric/micom p441 firmware · schneider-electric/micom p442 firmware · schneider-electric/micom p444 firmware · schneider-electric/micom p541 firmware · schneider-electric/micom p542 firmware · schneider-electric/micom p543 firmware · +3 more
- Source
- cybersecurity@se.com
References
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-02/Vendor Advisory
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-03/Vendor Advisory
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-04/Vendor Advisory
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-02/Vendor Advisory
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-03/Vendor Advisory
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-04/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.