Buffer overflow in Modicon M580 CPU - Bmep582040 All Versions Before V2.90 And Ethernet Module Bmenoc0301 V2.16
CVE-2018-7838
A CWE-119 Buffer Errors vulnerability exists in Modicon M580 CPU - BMEP582040, all versions before V2.90, and Modicon Ethernet Module BMENOC0301, all versions before V2.16, which could cause denial of service on the FTP service of the controller or the Ethernet BMENOC module when it receives a FTP CWD command with a data length greater than 1020 bytes. A power cycle is then needed to reactivate the FTP service.
Vulnerability class: Buffer Overflow
EPSS: 0.011 (62.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Modicon M580 Cpu - Bmep582040 All Versions Before V2.90 And Ethernet Module Bmenoc0301 V2.16 — versions Modicon M580 CPU - BMEP582040 all versions before V2.90 and Modicon Ethernet Module BMENOC0301 all versions before V2.16
- Schneider-electric Bmeh582040
- Schneider-electric Bmeh582040c
- Schneider-electric Bmeh582040_firmware
- Schneider-electric Bmeh584040
- Schneider-electric Bmeh584040c
- Schneider-electric Bmeh586040
- Schneider-electric Bmeh586040c
- Schneider-electric Bmeh586040_firmware
- Schneider-electric Bmenoc0301
Weakness classification (CWE)
References
- cybersecurity@se.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-7838?
- CVE-2018-7838 is a high-severity vulnerability in Modicon M580 CPU - Bmep582040 All Versions Before V2.90 And Ethernet Module Bmenoc0301 V2.16, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2019-07-15.
- How severe is CVE-2018-7838?
- High severity. CVSS v3 base score is 7.5 out of 10.