CVE-2018-7758 json
A denial of service vulnerability exists in Schneider Electric's MiCOM Px4x (P540 range excluded) with legacy Ethernet board, MiCOM P540D R…
published 2018-04-18 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19470
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 3.3 | AV:A/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Schneider Electric SE MiCOM P540D Range with Legacy Ethernet Board
Classification
- Weakness
-
- CWE-613 DEPRECATED: Insufficient Session Expiration
References
-
schneider-electric.com
/en/download/document/SEVD-2018-074-04/
vendor-advisory
-
schneider-electric.com
/en/download/document/SEVD-2018-074-03/
vendor-advisory
-
schneider-electric.com
/en/download/document/SEVD-2018-074-02/
vendor-advisory
Sources
- CVE List CVE-2018-7758
- NVD CVE-2018-7758
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