SB2021050324 - Denial of service in CODESYS V3 products
Published: May 3, 2021 Updated: July 22, 2021
Security Bulletin ID
SB2021050324
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-2021-29241)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the CmpGateway component. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.