Improper control of interaction frequency in Zyxel GS1200 series switches

1) Improper control of interaction frequency

EUVDB-ID: #VU64054

Risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-0823

CWE-ID: CWE-799 - Improper Control of Interaction Frequency

Exploit availability: No

Description

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

The vulnerability exists due to improper control of interaction frequency. A local attacker can perform a timing side-channel attack and guess the password.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GS1200-5: All versions

GS1200-5HP: All versions

GS1200-8HP: All versions

GS1200-8: All versions

CPE2.3

• cpe:2.3:h:zyxel_communications_corp:gs1200-5:*:*:*:*:*:*:*:*
• cpe:2.3:h:zyxel_communications_corp:gs1200-5hp:*:*:*:*:*:*:*:*
• cpe:2.3:h:zyxel_communications_corp:gs1200-8hp:*:*:*:*:*:*:*:*
• cpe:2.3:h:zyxel_communications_corp:gs1200-8:*:*:*:*:*:*:*:*

External links

https://www.zyxel.com/support/Zyxel-security-advisory-for-password-guessing-vulnerability-of-GS1200-series-switches.shtml

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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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