CVE-2023-4398
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存在输入验证错误漏洞，该漏洞源于存在整数溢出漏洞，可能允许未经身份验证的攻击者通过发送精心设计的IKE数据包在受影响的设备上造成拒绝服务(DoS)。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1498 · Network Denial of Service
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I. Basic Information for CVE-2023-4398
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An integer overflow vulnerability in the source code of the QuickSec IPSec toolkit used in the VPN feature of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions on an affected device by sending a crafted IKE packet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel ATP 输入验证错误漏洞
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存在输入验证错误漏洞，该漏洞源于存在整数溢出漏洞，可能允许未经身份验证的攻击者通过发送精心设计的IKE数据包在受影响的设备上造成拒绝服务(DoS)。
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 | versions 4.32 through 5.37 | - |
|
| Zyxel | USG FLEX series firmware | versions 4.50 through 5.37 | - |
|
| Zyxel | USG FLEX 50(W) series firmware | versions 4.16 through 5.37 | - |
|
| Zyxel | USG20(W)-VPN series firmware | versions 4.16 through 5.37 | - |
|
| Zyxel | VPN series firmware | versions 4.30 through 5.37 | - |
|
II. Public POCs for CVE-2023-4398
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2023-4398 (1)
Same Patch Batch · Zyxel · 2023-11-28 · 9 CVEs total
| CVE-2023-5960 | 5.5 MEDIUM | Zyxel USG FLEX 安全漏洞 |
| CVE-2023-5797 | 5.5 MEDIUM | Zyxel ATP 安全漏洞 |
| CVE-2023-5650 | 5.5 MEDIUM | Zyxel ATP 安全漏洞 |
| CVE-2023-37926 | 5.5 MEDIUM | Zyxel ATP 安全漏洞 |
| CVE-2023-37925 | 5.5 MEDIUM | Zyxel ATP 安全漏洞 |
| CVE-2023-35136 | 5.5 MEDIUM | Zyxel ATP 输入验证错误漏洞 |
| CVE-2023-35139 | 5.2 MEDIUM | Zyxel ATP 跨站脚本漏洞 |
| CVE-2023-4397 | 4.4 MEDIUM | Zyxel ATP 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2023-4398
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