PT-2020-6954 · Fanuc · Fanuc I Series Cnc

Published 2020-07-31 · Updated 2021-07-21 · CVE-2020-12739

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Fanuc i Series CNC versions 0i-MD and 0i Mate-MD

Description The issue is related to an uncontrolled resource consumption in the Fanuc i Series CNC controller software. This could allow a remote attacker to cause a denial-of-service, making the affected CNC inaccessible to other devices.

Recommendations For versions 0i-MD and 0i Mate-MD, as a temporary workaround, consider restricting access to the CNC controller to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2024-00340

CVE-2020-12739

Affected Products

Fanuc I Series Cnc

References · 6

• https://fanuc.co.jp/eindex.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-00340 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-12739 · Security Note
• https://jvn.jp/jp/JVN84959128/index.html · Note
• http://jvn.jp/en/jp/JVN84959128/index.html · Note
• https://jvn.jp/en/jp/JVN84959128/index.html · Note