Vulnerability · Published Dec 17, 2021 · Assigned by Mitsubishi
CVE-2021-20607
Medium 5.5
In plain English
A medium-severity security flaw in Mitsubishi Electric GX Works2; Mitsubishi Electric MELSOFT Navigator; Mitsubishi Electric EZSocket. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.0%top 37.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Mitsubishi Electric GX Works2; Mitsubishi Electric MELSOFT Navigator; Mitsubishi Electric EZSocket | Mitsubishi Electric GX Works2 versions 1.606G and priorMitsubishi Electric MELSOFT Navigator versions 2.84N and priorMitsubishi Electric EZSocket versions 5.4 and prior |
References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-021_en.pdf x_refsource_MISC
- https://jvn.jp/vu/JVNVU93817405/index.html x_refsource_MISC
- https://us-cert.cisa.gov/ics/advisories/icsa-21-350-05 x_refsource_MISC