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CVE-2021-26105

Quick assessment

Affected
Fortinet FortiSandbox
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 FortiSandbox是美国飞塔（Fortinet）公司的一款APT（高级持续性威胁）防护设备。该设备提供双重沙盒技术、动态威胁智能系统、实时控制面板和报告等功能。 Fortinet FortiSandbox 存在安全漏洞，该漏洞源于处理HTTP请求时FortiSandbox的概要文件解析器中存在边界错误。攻击者可利用该漏洞通过发送精心构建的HTTP请求，触发基于堆栈的缓冲区溢出，并在目标系统上执行任意代码。

CVSS 6.4 · Medium EPSS 0.50% · P41
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I. Basic Information for CVE-2021-26105

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow vulnerability (CWE-121) in the profile parser of FortiSandbox version 3.2.2 and below, version 3.1.4 and below may allow an authenticated attacker to potentially execute unauthorized code or commands via specifically crafted HTTP requests.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当实现的标准安全检查
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiSandbox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiSandbox是美国飞塔（Fortinet）公司的一款APT（高级持续性威胁）防护设备。该设备提供双重沙盒技术、动态威胁智能系统、实时控制面板和报告等功能。 Fortinet FortiSandbox 存在安全漏洞，该漏洞源于处理HTTP请求时FortiSandbox的概要文件解析器中存在边界错误。攻击者可利用该漏洞通过发送精心构建的HTTP请求，触发基于堆栈的缓冲区溢出，并在目标系统上执行任意代码。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Fortinet FortiSandbox 3.2.2 -

II. Public POCs for CVE-2021-26105

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III. Intelligence Information for CVE-2021-26105

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Vendor Advisories for CVE-2021-26105 (1)

Same Patch Batch · Fortinet · 2025-03-24 · 3 CVEs total

CVE-2023-25610 9.3 CRITICAL Fortinet FortiOS和FortiProxy 安全漏洞
CVE-2021-26091 6.9 MEDIUM Fortinet FortiMail 安全特征问题特征问题漏洞

IV. Related Vulnerabilities

Same product: FortiSandbox
Same vendor: Fortinet
Same weakness: CWE-358

V. Comments for CVE-2021-26105

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