Vulnerability in Mitsubishielectric Gx Works2
CVE-2021-20608
Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior allows a remote unauthenticated attacker to cause a DoS condition in GX Works2 by getting GX Works2 to read a tampered program file from a Mitsubishi Electric PLC by sending malicious crafted packets to tamper with the program file.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.029 (86.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.029 · change: +0.002
Affected products
- Mitsubishielectric Gx Works2
- Gx Works2 — versions versions 1.606G and prior
References
- www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf (Vendor Advisory)
- jvn.jp/vu/JVNVU93019896/index.html (Third Party Advisory)
- us-cert.cisa.gov/ics/advisories/icsa-21-350-04 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20608?
- CVE-2021-20608 is a high-severity vulnerability in Mitsubishielectric Gx Works2. CVSS score: 7.5/10. Published 2021-12-17.
- How severe is CVE-2021-20608?
- High severity. CVSS v3 base score is 7.5 out of 10.