CVE-2023-28767
Quick assessment
Affected
Zyxel ATP 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 ATP是中国合勤（Zyxel）公司的一款防火墙。 Zyxel ATP ZLD V5.10 到 V5.36版本、USG FLEX ZLD V5.00 到 V5.36版本、USG FLEX 50(W) / USG20(W)-VPN ZLD V5.10 到 V5.36版本、VPN ZLD V5.00 到 V5.36版本存在安全漏洞，该漏洞源于配置解析器无法清理用户控制的输入，攻击者利用该漏洞可以将操作系统 (OS) 命令注入到受影响设备上的设备配置数据中。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2023-28767
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W) series firmware versions 5.10 through 5.36,
USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device 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版本、USG FLEX ZLD V5.00 到 V5.36版本、USG FLEX 50(W) / USG20(W)-VPN ZLD V5.10 到 V5.36版本、VPN ZLD V5.00 到 V5.36版本存在安全漏洞，该漏洞源于配置解析器无法清理用户控制的输入，攻击者利用该漏洞可以将操作系统 (OS) 命令注入到受影响设备上的设备配置数据中。
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 | - |
|
| Zyxel | USG FLEX series firmware | 5.00 through 5.36 | - |
|
| Zyxel | USG FLEX 50(W) series firmware | 5.10 through 5.36 | - |
|
| Zyxel | USG20(W)-VPN series firmware | 5.10 through 5.36 | - |
|
| Zyxel | VPN series firmware | 5.00 through 5.36 | - |
|
II. Public POCs for CVE-2023-28767
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2023-28767 (1)
Same Patch Batch · Zyxel · 2023-07-17 · 7 CVEs total
| CVE-2023-33011 | 8.8 HIGH | Zyxel ATP 格式化字符串错误漏洞 |
| CVE-2023-33012 | 8.8 HIGH | Zyxel ATP 操作系统命令注入漏洞 |
| 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 |
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V. Comments for CVE-2023-28767
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