CVEvulnerability
CVE-2021-20607
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-12-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-191
Description
Integer Underflow vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior, Mitsubishi Electric MELSOFT Navigator versions 2.84N and prior and Mitsubishi Electric EZSocket versions 5.4 and prior allows an attacker to cause a DoS condition in the software by getting a user to open malicious project file specially crafted by an attacker.
Affected configurations
• mitsubishielectric ezsocket (<= 5.4)
• mitsubishielectric gx works2 (<= 1.606g)
• mitsubishielectric melsoft navigator
Related
Weakness · CWE (1)
- CWE-191 Integer Underflow (Wrap or Wraparound) weakness
References
- https://jvn.jp/vu/JVNVU93817405/index.html Patch, Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-350-05 Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-021_en.pdf Patch, Vendor Advisory
- https://jvn.jp/vu/JVNVU93817405/index.html Patch, Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-350-05 Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-021_en.pdf Patch, Vendor Advisory