PT-2020-18910 · 3S Smart Software Solutions · Codesys Runtime

Carl Hurd · Published 2020-05-07 · Updated 2022-06-03 · CVE-2020-6081

Positive Technologies (AI Summary)

CVSS v3.1

9.9

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions 3S-Smart Software Solutions GmbH CODESYS Runtime version 3.5.14.30

Description An exploitable code execution issue exists in the PLC Task functionality. A specially crafted network request can cause remote code execution. An attacker can send a malicious packet to trigger this issue.

Recommendations For version 3.5.14.30, as a temporary workaround, consider restricting access to the PLC Task functionality until a patch is available. Avoid using the vulnerable functionality in the affected version to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Insufficient Verification of Data Authenticity

Weakness Enumeration

CWE-345

Related Identifiers

CVE-2020-6081

Affected Products

Codesys Runtime

References · 5

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2020-1003 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-6081 · Security Note
• https://osv.dev/vulnerability/CVE-2020-6081 · Vendor Advisory
• https://t.me/cybersecuritytechnologies/1089 · Telegram Post
• https://t.me/cvenotify/3608 · Telegram Post