Denial of service in FANUC i Series CNC

Published: 2020-08-03

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2020-12739
CWE-ID	CWE-400
Exploitation vector	Local network
Public exploit	N/A
Vulnerable software Subscribe	FANUC Series 30i-B Plus Hardware solutions / Other hardware appliances FANUC Series 31i-B Plus Hardware solutions / Other hardware appliances FANUC Series 32i-B Plus Hardware solutions / Other hardware appliances FANUC Series 30i-B Hardware solutions / Other hardware appliances FANUC Series 31i-B Hardware solutions / Other hardware appliances FANUC Series 32i-B Hardware solutions / Other hardware appliances FANUC Series 35i-B Hardware solutions / Other hardware appliances FANUC Power Motion i-MODEL A Hardware solutions / Other hardware appliances FANUC Series 0i-MODEL F Plus Hardware solutions / Other hardware appliances FANUC Series 0i-MODEL F Hardware solutions / Other hardware appliances FANUC Series 30i-MODEL A Hardware solutions / Other hardware appliances FANUC Series 31i-MODEL A Hardware solutions / Other hardware appliances FANUC Series 32i-MODEL A Hardware solutions / Other hardware appliances FANUC Series 0i-MODEL D Hardware solutions / Other hardware appliances FANUC Series 0i-Mate D Hardware solutions / Other hardware appliances FANUC Series 0i-MODEL C Hardware solutions / Other hardware appliances FANUC Series 16i-MODEL B Hardware solutions / Other hardware appliances FANUC Series 18i-MODEL B Hardware solutions / Other hardware appliances FANUC Series 21i-MODEL B Hardware solutions / Other hardware appliances FANUC Series 0i-MODEL B Hardware solutions / Other hardware appliances FANUC Series 16i-WB Hardware solutions / Other hardware appliances FANUC Series 18i-WB Hardware solutions / Other hardware appliances
Vendor	FANUC

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU32979

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-12739

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker on the local network can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FANUC Series 30i-B Plus: All versions

FANUC Series 31i-B Plus: All versions

FANUC Series 32i-B Plus: All versions

FANUC Series 30i-B: All versions

FANUC Series 31i-B: All versions

FANUC Series 32i-B: All versions

FANUC Series 35i-B: All versions

FANUC Power Motion i-MODEL A: All versions

FANUC Series 0i-MODEL F Plus: All versions

FANUC Series 0i-MODEL F: All versions

FANUC Series 30i-MODEL A: All versions

FANUC Series 31i-MODEL A: All versions

FANUC Series 32i-MODEL A: All versions

FANUC Series 0i-MODEL D: All versions

FANUC Series 0i-Mate D: All versions

FANUC Series 0i-MODEL C: All versions

FANUC Series 16i-MODEL B: All versions

FANUC Series 18i-MODEL B: All versions

FANUC Series 21i-MODEL B: All versions

FANUC Series 0i-MODEL B: All versions

FANUC Series 16i-WB: All versions

FANUC Series 18i-WB: All versions

External links

http://jvn.jp/en/jp/JVN84959128/index.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.