#VU51001 Permissions, Privileges, and Access Controls in ICX35-HWC-A and ICX35-HWC-E - CVE-2021-22661

Vulnerability identifier: #VU51001

Vulnerability risk: High

CVSSv4.0: 6.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-22661

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ICX35-HWC-A
Hardware solutions / Other hardware appliances
ICX35-HWC-E
Hardware solutions / Other hardware appliances

Vendor: ProSoft Technology

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to changing the password on the module webpage does not require the user to type in the current password first. A remote attacker can change the current user’s password and alter device configurations.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ICX35-HWC-A: 1.9.62

ICX35-HWC-E: 1.9.62

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External links
https://us-cert.cisa.gov/ics/advisories/icsa-21-056-04

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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 Internet.

Is there known malware, which exploits this vulnerability?

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