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CVE-2023-1671

Quick assessment

Affected
Sophos Sophos Web Appliance
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.

Sophos Web Appliance是Sophos公司的一款防火墙。 Sophos Web Appliance 4.3.10.4之前版本存在安全漏洞，该漏洞源于存在预授权命令注入漏洞，允许执行任意代码。

CVSS 9.8 · Critical KEV EPSS 100.00% · P100

Public Exploits 2

ExploitDB · 1 EDB-51396 [webapps]
Nuclei · 1 CVE-2023-1671.yaml [template]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-1671

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A pre-auth command injection vulnerability in the warn-proceed handler of Sophos Web Appliance older than version 4.3.10.4 allows execution of arbitrary code.
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
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Sophos Web Appliance 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sophos Web Appliance是Sophos公司的一款防火墙。 Sophos Web Appliance 4.3.10.4之前版本存在安全漏洞，该漏洞源于存在预授权命令注入漏洞，允许执行任意代码。
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

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Sophos Sophos Web Appliance unspecified ~ 4.3.10.4 -

II. Public POCs for CVE-2023-1671

# POC Description Source Link Shenlong Link
1 Pre-Auth RCE in Sophos Web Appliance https://github.com/ohnonoyesyes/CVE-2023-1671 POC Details
2 CVE-2023-1671-POC, based on dnslog platform https://github.com/W01fh4cker/CVE-2023-1671-POC POC Details
3 Exploit to cve-2023-1671. So there is a test and exploitation function. The test sends a ping request to the dnslog domain from the vulnerable site. If the ping passes, the vulnerability exists, if it doesn't, then cve-2023-1671 is missing. The exploit function, on the other hand, sends a request with your command to the server. https://github.com/csffs/cve-2023-1671 POC Details
4 A pre-auth command injection vulnerability in the warn-proceed handler of Sophos Web Appliance older than version 4.3.10.4 allows execution of arbitrary code. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-1671.yaml POC Details
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III. Intelligence Information for CVE-2023-1671

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Other References for CVE-2023-1671 (1)

Same Patch Batch · Sophos · 2023-04-04 · 3 CVEs total

CVE-2022-4934 7.2 HIGH Sophos Web Appliance 命令注入漏洞
CVE-2020-36692 6.5 MEDIUM Sophos Web Appliance 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: Sophos Web Appliance
Same vendor: Sophos

V. Comments for CVE-2023-1671

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