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CVE-2023-40718

Quick assessment

Affected
Fortinet IPS Engine
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.

Fortinet FortiOS是美国飞塔（Fortinet）公司的一套专用于FortiGate网络安全平台上的安全操作系统。该系统为用户提供防火墙、防病毒、IPSec/SSLVPN、Web内容过滤和反垃圾邮件等多种安全功能。 Fortinet FortiOS IPS Engine 存在安全漏洞，该漏洞源于存在解释冲突问题。允许攻击者通过精心设计的 TCP 数据包逃避 IPS 功能。

CVSS 6.7 · High EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1564.001 · Hidden Files and Directories
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I. Basic Information for CVE-2023-40718

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker to evade IPS features via crafted TCP packets.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
解释冲突
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiOS IPS Engine 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiOS是美国飞塔（Fortinet）公司的一套专用于FortiGate网络安全平台上的安全操作系统。该系统为用户提供防火墙、防病毒、IPSec/SSLVPN、Web内容过滤和反垃圾邮件等多种安全功能。 Fortinet FortiOS IPS Engine 存在安全漏洞，该漏洞源于存在解释冲突问题。允许攻击者通过精心设计的 TCP 数据包逃避 IPS 功能。
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
Fortinet IPS Engine 7.321 -

II. Public POCs for CVE-2023-40718

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III. Intelligence Information for CVE-2023-40718

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Vendor Advisories for CVE-2023-40718 (1)

Same Patch Batch · Fortinet · 2023-10-10 · 29 CVEs total

CVE-2023-34992 9.7 CRITICAL Fortinet FortiSIEM 操作系统命令注入漏洞
CVE-2023-36548 9.6 CRITICAL Fortinet FortiWLM 操作系统命令注入漏洞
CVE-2023-36547 9.6 CRITICAL Fortinet FortiWLM 操作系统命令注入漏洞
CVE-2023-34993 9.6 CRITICAL Fortinet FortiWLM 操作系统命令注入漏洞
CVE-2023-36550 9.6 CRITICAL Fortinet FortiWLM 操作系统命令注入漏洞
CVE-2023-36549 8.6 HIGH Fortinet FortiWLM 操作系统命令注入漏洞
CVE-2023-34989 8.6 HIGH Fortinet FortiWLM 操作系统命令注入漏洞
CVE-2023-34987 8.6 HIGH Fortinet FortiWLM 操作系统命令注入漏洞
CVE-2023-34986 8.6 HIGH Fortinet FortiWLM 操作系统命令注入漏洞
CVE-2023-34985 8.6 HIGH Fortinet FortiWLM 操作系统命令注入漏洞
CVE-2023-34988 8.6 HIGH Fortinet FortiWLM 操作系统命令注入漏洞
CVE-2023-36556 8.6 HIGH Fortinet FortiMail 安全漏洞
CVE-2023-41679 7.7 HIGH Fortinet FortiManager 安全漏洞
CVE-2023-42788 7.6 HIGH Fortinet FortiManager 和 FortiAnalyzer 操作系统命令注入漏洞
CVE-2023-25607 7.4 HIGH Fortinet FortiManager 和 FortiAnalyzer 和 FortiADC 操作系统命令注入漏洞
CVE-2023-41841 7.4 HIGH Fortinet FortiOS 安全漏洞
CVE-2023-41838 6.9 MEDIUM Fortinet FortiManager 操作系统命令注入漏洞
CVE-2022-22298 6.7 MEDIUM Fortinet FortiIsolator 操作系统命令注入漏洞
CVE-2023-37935 6.5 MEDIUM Fortinet FortiOS 安全漏洞
CVE-2023-33301 6.5 MEDIUM Fortinet FortiOS 安全漏洞

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: Fortinet
Same weakness: CWE-436

V. Comments for CVE-2023-40718

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