SB2020121405 - Denial of service in Mitsubishi Electric MELSEC iQ-F Series
Published: December 14, 2020
Security Bulletin ID
SB2020121405
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Check or Handling of Exceptional Conditions (CVE-ID: CVE-2020-5665)
CWE-ID: CWE-703 - Improper Check or Handling of Exceptional Conditions
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an improper check or handling of exceptional conditions issue. A local attacker can send a specially crafted ARP packet and cause a denial of service condition on the target system.
Remediation
Install update from vendor's website.