Vulnerability identifier: #VU49955
Vulnerability risk: Medium
CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-400
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
MELFA FR Series
Hardware solutions /
Other hardware appliances
MELFA CR Series
Hardware solutions /
Other hardware appliances
MELFA ASSISTA
Hardware solutions /
Other hardware appliances
Vendor: Mitsubishi Electric
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 within the execution of the robot program and the Ethernet communication. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
MELFA FR Series: All versions
MELFA CR Series: All versions
MELFA ASSISTA: All versions
External links
http://ics-cert.us-cert.gov/advisories/icsa-21-021-04
http://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-019_en.pdf
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.