SB2021011101 - Denial of service in Rockwell Automation RSLinx Classic
Published: January 11, 2021
Security Bulletin ID
SB2021011101
CSH Severity
Medium
Patch available
NO
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 vulnerability.
1) Use of Out-of-range Pointer Offset (CVE-ID: CVE-2020-13573)
CWE-ID: CWE-823 - Use of Out-of-range Pointer Offset
CVSSv4: CVSS:4.0/AV:N/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 remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation in the Ethernet/IP server functionality. A remote atttacker can send a specially crafted request and cause a denial of service condition on the targe system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.