CVE-2023-28771
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I. Basic Information for CVE-2023-28771
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Zyxel ZyWALL USG 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel ZyWALL USG是中国合勤（Zyxel）公司的一款网络安全防火墙设备。 Zyxel ZyWALL USG 4.60版本至5.35版本存在操作系统命令注入漏洞，该漏洞源于错误消息处理不当。攻击者利用该漏洞通过向受影响的设备发送特制数据包来远程执行某些操作系统命令。
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Zyxel | ZyWALL/USG series firmware | 4.60 through 4.73 | - | |
| Zyxel | VPN series firmware | 4.60 through 5.35 | - | |
| Zyxel | USG FLEX series firmware | 4.60 through 5.35 | - | |
| Zyxel | ATP series firmware | 4.60 through 5.35 | - |
II. Public POCs for CVE-2023-28771
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | PoC for CVE-2023-28771 based on Rapid7's excellent writeup | https://github.com/benjaminhays/CVE-2023-28771-PoC | POC Details |
| 2 | The script is designed to facilitate testing and exploration of the IKEv2 protocol in vulnerable devices, based on Rapid7's exploitation techniques. | https://github.com/WhiteOwl-Pub/PoC-CVE-2023-28771 | POC Details |
| 3 | The script is designed to facilitate testing and exploration of the IKEv2 protocol in vulnerable devices, based on Rapid7's exploitation techniques. | https://github.com/WhiteOwl-Pub/Zyxel-PoC-CVE-2023-28771 | POC Details |
| 4 | Make a ZyXEL USG with ZTP support, pre CVE-2023-28771 patch, do a DNS lookup by asking it to make an ICMP request. This template can be used to detect hosts potentially vulnerable to CVE-2023-28771, CVE-2022-30525, and other issues, without actually exploiting the vulnerability. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/zyxel/unauth-ztp-ping.yaml | POC Details |
| 5 | None | https://github.com/JinParkmida/cve-2023-28771-demo | POC Details |
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V. Comments for CVE-2023-28771
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