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CVE-2022-0823

Quick assessment

Affected
Zyxel Zyxel GS1200 series firmware
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel GS1200是中国合勤科技（Zyxel）公司的一系列交换机。 Zyxel GS1200 系列交换机存在安全漏洞，该漏洞源于交互频率漏洞控制不当。本地攻击者利用该漏洞可通过使用定时侧信道攻击来猜测密码。

CVSS 6.2 · Medium EPSS 0.22% · P14

Possible ATT&CK Techniques 2 AI

T1005 · Data from Local System T1115.003
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I. Basic Information for CVE-2022-0823

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An improper control of interaction frequency vulnerability in Zyxel GS1200 series switches could allow a local attacker to guess the password by using a timing side-channel attack.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel GS1200 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel GS1200是中国合勤科技（Zyxel）公司的一系列交换机。 Zyxel GS1200 系列交换机存在安全漏洞，该漏洞源于交互频率漏洞控制不当。本地攻击者利用该漏洞可通过使用定时侧信道攻击来猜测密码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zyxel Zyxel GS1200 series firmware 2.00 Patch 1 -

II. Public POCs for CVE-2022-0823

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III. Intelligence Information for CVE-2022-0823

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Other References for CVE-2022-0823 (1)

IV. Related Vulnerabilities

Same vendor: Zyxel
Same weakness: CWE-203

V. Comments for CVE-2022-0823

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