SB2021072103 - NULL pointer dereference in Mitsubishi Electric MELSEC-F Series
Published: July 21, 2021
Security Bulletin ID
SB2021072103
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2021-20596)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can send specially crafted packet to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.