#VU99240 Insufficiently protected credentials in USG FLEX H - CVE-2024-9677

Vulnerability identifier: #VU99240

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-9677

CWE-ID: CWE-522

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
USG FLEX H
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: ZyXEL Communications Corp.

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to insufficiently protected credentials in the CLI command. A local user can steal the authentication token of a login administrator.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

USG FLEX H: 1.21

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External links
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-insufficiently-protected-credentials-vulnerability-in-firewalls-10-22-2024

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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