CVE-2021-24018
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 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 存在安全漏洞，该漏洞源于FortiOS的固件验证过程中的边界错误。攻击者可利用该漏洞通过专门制作的固件镜像执行任意代码。
Possible ATT&CK Techniques 3 AI
T1068 · Exploitation for Privilege Escalation T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-24018
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer underwrite vulnerability in the firmware verification routine of FortiOS before 7.0.1 may allow an attacker located in the adjacent network to potentially execute arbitrary code via a specifically crafted firmware image.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiOS 缓冲区错误漏洞
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 存在安全漏洞，该漏洞源于FortiOS的固件验证过程中的边界错误。攻击者可利用该漏洞通过专门制作的固件镜像执行任意代码。
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 | Fortinet FortiOS | FortiOS before 7.0.1 | - |
|
II. Public POCs for CVE-2021-24018
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-24018 (1)
-
https://fortiguard.com/advisory/FG-IR-21-046 x_refsource_CONFIRM
Same Patch Batch · Fortinet · 2021-08-04 · 12 CVEs total
| CVE-2021-32590 | 9.9 CRITICAL | Fortinet FortiPortal SQL注入漏洞 |
| CVE-2021-26097 | 8.8 HIGH | Fortinet FortiSandbox 操作系统命令注入漏洞 |
| CVE-2020-29011 | 8.8 HIGH | Fortinet FortiSandbox SQL注入漏洞 |
| CVE-2021-24010 | 8.1 HIGH | Fortinet FortiSandbox 路径遍历漏洞 |
| CVE-2021-22124 | 7.5 HIGH | Fortinet FortiSandbox 和 Fortinet FortiAuthenticator 资源管理错误漏洞 |
| CVE-2021-36168 | 6.5 MEDIUM | Fortinet FortiPortal 路径遍历漏洞 |
| CVE-2021-26096 | 6.4 MEDIUM | Fortinet FortiSandbox 缓冲区错误漏洞 |
| CVE-2021-32596 | 6.0 MEDIUM | Fortinet FortiPortal 安全漏洞 |
| CVE-2021-24014 | 5.4 MEDIUM | Fortinet FortiSandbox 跨站脚本漏洞 |
| CVE-2021-32594 | 5.4 MEDIUM | Fortinet FortiPortal 代码问题漏洞 |
| CVE-2021-26098 | 5.3 MEDIUM | Fortinet FortiSandbox 安全特征问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-24018
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