Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-28771

Quick assessment

Affected
Zyxel ZyWALL/USG series firmware
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。

CVSS 9.8 · Critical KEV EPSS 99.28% · P100

Public Exploits 1

Metasploit · 1 zyxel_ike_decoder_rce_cve_2023_28771.rb [exploit]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-28771

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/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 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.

Read summary Full analysis (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
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-28771

请登录查看更多情报信息。

Exploits & Public PoCs for CVE-2023-28771 (1)

Other References for CVE-2023-28771 (1)

IV. Related Vulnerabilities

Same product: ZyWALL/USG series firmware
Same vendor: Zyxel
Same weakness: CWE-78

V. Comments for CVE-2023-28771

No comments yet

Leave a comment