CVE-2018-7788 json
A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40.
published 2019-05-22 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19500
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40. which could cause a Denial Of Service when using a Telnet connection.
Patch / fix
- schneider-electric modicon_quantum_firmware 2.40
Exploit prediction
1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Affected products
- n/a Modicon Quantum with firmware versions prior to V2.40.
Classification
- Weakness
-
- CWE-255 Credentials Management Errors
References
-
schneider-electric.com
/en/download/document/SEVD-2019-134-08/
patch, vendor-advisory
Sources
- CVE List CVE-2018-7788
- NVD CVE-2018-7788
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.