CVEvulnerability
CVE-2021-20608
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-12-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Description
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.
Affected configurations
• mitsubishielectric gx works2 (<= 1.606g)
References
- https://jvn.jp/vu/JVNVU93019896/index.html Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04 Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf Vendor Advisory
- https://jvn.jp/vu/JVNVU93019896/index.html Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04 Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf Vendor Advisory