#VU46002 Improper Restriction of Excessive Authentication Attempts in NPort IAW5000A-I/O Series


Published: 2020-08-25 | Updated: 2020-10-14

Vulnerability identifier: #VU46002

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-25196

CWE-ID: CWE-307

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
NPort IAW5000A-I/O Series
Hardware solutions / Other hardware appliances

Vendor: Moxa

Description

The vulnerability allows a remote attacker to gain access to the system.

The vulnerability exists due to the authentication mechanism has no brute-force prevention. A remote attacker can launch a brute-force authentication attack and gain access to the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

NPort IAW5000A-I/O Series: 2.1


External links
http://www.moxa.com/en/support/support/security-advisory/nport-iaw5000a-io-serial-device-servers-vulnerabilities
http://us-cert.cisa.gov/ics/advisories/icsa-20-287-01


Q & A

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.


Latest bulletins with this vulnerability