PT-2021-9645 · Rockwell Automation · Rslinx Classic

Published 2021-01-07 · Updated 2022-06-07 · CVE-2020-13573

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Rockwell Automation RSLinx Classic version 2.57.00.14 CPR 9 SR 3

Description A denial-of-service issue exists in the Ethernet/IP server functionality. This can be triggered by a specially crafted network request, allowing an attacker to send malicious packets and cause a denial of service.

Recommendations For Rockwell Automation RSLinx Classic version 2.57.00.14 CPR 9 SR 3, consider restricting access to the Ethernet/IP server functionality until a patch is available. As a temporary workaround, disabling the Ethernet/IP server functionality can help minimize the risk of exploitation.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-823

Related Identifiers

CVE-2020-13573

Affected Products

Rslinx Classic

References · 6

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2020-1184 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-13573 · Security Note
• https://osv.dev/vulnerability/CVE-2020-13573 · Vendor Advisory
• https://t.me/cibsecurity/21759 · Telegram Post
• https://t.me/cvenotify/8284 · Telegram Post
• https://t.me/cybersecuritytechnologies/2451 · Telegram Post