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CVE-2023-33012

Quick assessment

Affected
Zyxel ATP series firmware
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel ATP是中国合勤（Zyxel）公司的一款防火墙。 Zyxel ATP ZLD V5.10 到 V5.36 Patch 2版本、USG FLEX ZLD V5.00 到 V5.36 Patch 2版本、USG FLEX 50(W) / USG20(W)-VPN ZLD V5.10 到 V5.36 Patch 2版本、VPN ZLD V5.00 到 V5.36 Patch 2版本存在安全漏洞，该漏洞源于配置解析器中存在命令注入，允许未经身份验证的基于 LAN 的攻击者在启用云管理模式时，在受影响的

CVSS 8.8 · High EPSS 9.88% · P95

Public Exploits 1

Metasploit · 1 zyxel_parse_config_rce.rb [exploit]
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I. Basic Information for CVE-2023-33012

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A command injection vulnerability in the configuration parser of the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted GRE configuration when the cloud management mode is enabled.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel ATP 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel ATP是中国合勤（Zyxel）公司的一款防火墙。 Zyxel ATP ZLD V5.10 到 V5.36 Patch 2版本、USG FLEX ZLD V5.00 到 V5.36 Patch 2版本、USG FLEX 50(W) / USG20(W)-VPN ZLD V5.10 到 V5.36 Patch 2版本、VPN ZLD V5.00 到 V5.36 Patch 2版本存在安全漏洞，该漏洞源于配置解析器中存在命令注入，允许未经身份验证的基于 LAN 的攻击者在启用云管理模式时，在受影响的
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 ATP series firmware 5.10 through 5.36 Patch 2 -
Zyxel USG FLEX series firmware 5.00 through 5.36 Patch 2 -
Zyxel USG FLEX 50(W) series firmware 5.10 through 5.36 Patch 2 -
Zyxel USG20(W)-VPN series firmware 5.10 through 5.36 Patch 2 -
Zyxel VPN series firmware 5.00 through 5.36 Patch 2 -

II. Public POCs for CVE-2023-33012

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III. Intelligence Information for CVE-2023-33012

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Other References for CVE-2023-33012 (1)

Same Patch Batch · Zyxel · 2023-07-17 · 7 CVEs total

CVE-2023-28767 8.8 HIGH Zyxel ATP 操作系统命令注入漏洞
CVE-2023-33011 8.8 HIGH Zyxel ATP 格式化字符串错误漏洞
CVE-2023-34139 8.8 HIGH Zyxel USG FLEX 操作系统命令注入漏洞
CVE-2023-34138 8.0 HIGH Zyxel ATP 操作系统命令注入漏洞
CVE-2023-34141 8.0 HIGH Zyxel ATP 操作系统命令注入漏洞
CVE-2023-34140 6.5 MEDIUM Zyxel ATP 安全漏洞

IV. Related Vulnerabilities

Same product: ATP series firmware
Same vendor: Zyxel
Same weakness: CWE-78

V. Comments for CVE-2023-33012

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