Buffer overflow in Mitsubishielectric Iu1-1m20-D
CVE-2020-5542
Buffer error vulnerability in TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to stop the network functions or execute malware via a specially crafted packet.
Vulnerability class: Buffer Overflow
EPSS: 0.023 (81.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mitsubishielectric Iu1-1m20-d
- Mitsubishielectric Iu1-1m20-d_firmware
- Mitsubishi Electric Corporation Melqic Iu1 Series — versions IU1-1M20-D firmware version 1.0.7 and earlier
Weakness classification (CWE)
References
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
- vultures@jpcert.or.jp (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-5542?
- CVE-2020-5542 is a critical-severity vulnerability in Mitsubishielectric Iu1-1m20-D, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2020-03-16.
- How severe is CVE-2020-5542?
- Critical severity. CVSS v3 base score is 9.8 out of 10.