Denial of service in FANUC i Series CNC

1) Resource exhaustion

EUVDB-ID: #VU32979

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

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

CPE2.3

• cpe:2.3:h:fanuc:fanuc_series_30i-b_plus:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_31i-b_plus:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_32i-b_plus:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_30i-b:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_31i-b:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_32i-b:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_35i-b:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_power_motion_i-model_a:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_0i-model_f_plus:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_0i-model_f:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_30i-model_a:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_31i-model_a:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_32i-model_a:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_0i-model_d:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_0i-mate_d:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_0i-model_c:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_16i-model_b:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_18i-model_b:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_21i-model_b:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_0i-model_b:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_16i-wb:*:*:*:*:*:*:*:*
• cpe:2.3:h:fanuc:fanuc_series_18i-wb:*:*:*:*:*:*:*:*

External links

https://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.