CVE-2018-7758
What it is
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.
At a glance
- Exploitability
- Can be exploited from the same network segment without logging in. High risk of service disruption.
- Exploit odds
- 0.6% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.6% in the next 30 days (EPSS).
- Severity: 6.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.6% · EPSS, next 30 days
- Weakness
- CWE-613
- Record status
- Modified
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
Attack profile CVSS 3.0 · 6.5
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-7758.md and follow it. Check whether this project is affected by CVE-2018-7758. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-02/
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-03/
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-04/
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-02/
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-03/
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-04/
References
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-02/
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-03/
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-04/
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-02/
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-03/
- https://www.schneider-electric.com/en/download/document/SEVD-2018-074-04/