#VU32979 Resource exhaustion in FANUC products - CVE-2020-12739

Vulnerability identifier: #VU32979

Vulnerability 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

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
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

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

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External links
https://jvn.jp/en/jp/JVN84959128/index.html

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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.