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CVE-2020-15938

Quick assessment

Affected
Fortinet Fortinet FortiOS
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 FortiGate是美国飞塔（Fortinet）公司的一套网络安全平台。该平台提供防火墙、防病毒和入侵防御（IPS）、应用控制、反垃圾邮件、无线控制器和广域网加速等功能。 FortiGate 中存在安全漏洞。该漏洞源于当HTTP / S以外的流量（例如SSH流量等）在端口80/443上通过FortiGate时，它不会重定向到透明代理策略进行处理。以下产品及版本受到影响：FortiGate 6.4.2及以下版本、FortiGate 6.2.5及以下版本。

CVSS 4.0 · Medium EPSS 0.77% · P54

Possible ATT&CK Techniques 1 AI

T1043
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I. Basic Information for CVE-2020-15938

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When traffic other than HTTP/S (eg: SSH traffic, etc...) traverses the FortiGate in version below 6.2.5 and below 6.4.2 on port 80/443, it is not redirected to the transparent proxy policy for processing, as it doesn't have a valid HTTP header.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiGate 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiGate是美国飞塔（Fortinet）公司的一套网络安全平台。该平台提供防火墙、防病毒和入侵防御（IPS）、应用控制、反垃圾邮件、无线控制器和广域网加速等功能。 FortiGate 中存在安全漏洞。该漏洞源于当HTTP / S以外的流量（例如SSH流量等）在端口80/443上通过FortiGate时，它不会重定向到透明代理策略进行处理。以下产品及版本受到影响：FortiGate 6.4.2及以下版本、FortiGate 6.2.5及以下版本。
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 Fortinet FortiOS FortiOS 6.4.2, 6.2.5 -

II. Public POCs for CVE-2020-15938

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III. Intelligence Information for CVE-2020-15938

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Vendor Advisories for CVE-2020-15938 (1)

IV. Related Vulnerabilities

Same product: Fortinet FortiOS
Same vendor: Fortinet

V. Comments for CVE-2020-15938

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