CVE-2021-26110
Quick assessment
Affected
Fortinet Fortinet FortiOS, FortiProxy
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 和 FortiProxy autod 守护进程中存在安全漏洞，该漏洞可能允许经过身份验证的低权限攻击者通过结构自动化 CLI 脚本和自动脚本功能的特定精心配置将其权限提升到 super_admin。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-26110
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An improper access control vulnerability [CWE-284] in FortiOS autod daemon 7.0.0, 6.4.6 and below, 6.2.9 and below, 6.0.12 and below and FortiProxy 2.0.1 and below, 1.2.9 and below may allow an authenticated low-privileged attacker to escalate their privileges to super_admin via a specific crafted configuration of fabric automation CLI script and auto-script features.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/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
Fortinet FortiOS 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 和 FortiProxy autod 守护进程中存在安全漏洞，该漏洞可能允许经过身份验证的低权限攻击者通过结构自动化 CLI 脚本和自动脚本功能的特定精心配置将其权限提升到 super_admin。
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, FortiProxy | FortiOS 7.0.0, 6.4.6 and below, 6.2.9 and below, 6.0.12 and below. FortiProxy 2.0.1 and below, 1.2.9 and below | - |
|
II. Public POCs for CVE-2021-26110
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-26110 (1)
-
https://fortiguard.com/advisory/FG-IR-20-131 x_refsource_CONFIRM
Same Patch Batch · Fortinet · 2021-12-08 · 28 CVEs total
| CVE-2021-41017 | 8.8 HIGH | Fortinet FortiWeb 缓冲区错误漏洞 |
| CVE-2021-42758 | 8.8 HIGH | Fortinet FortiWLC 访问控制错误漏洞 |
| CVE-2021-42760 | 8.8 HIGH | Fortinet FortiWLM SQL注入漏洞 |
| CVE-2021-43067 | 8.3 HIGH | Fortinet FortiAuthenticator 信息泄露漏洞 |
| CVE-2021-36180 | 8.1 HIGH | Fortinet FortiWeb 操作系统命令注入漏洞 |
| CVE-2021-26109 | 8.1 HIGH | Fortinet FortiOS 输入验证错误漏洞 |
| CVE-2021-36173 | 8.0 HIGH | Fortinet FortiOS 缓冲区错误漏洞 |
| CVE-2021-41021 | 7.8 HIGH | Fortinet FortiNAC 安全漏洞 |
| CVE-2021-41024 | 7.5 HIGH | Fortinet FortiOS 路径遍历漏洞 |
| CVE-2021-26108 | 7.5 HIGH | Fortinet FortiOS 信任管理问题漏洞 |
| CVE-2021-41014 | 7.5 HIGH | Fortinet FortiWeb 资源管理错误漏洞 |
| CVE-2021-41025 | 7.3 HIGH | Fortinet FortiWeb 竞争条件问题漏洞 |
| CVE-2021-41027 | 7.3 HIGH | Fortinet FortiWeb 缓冲区错误漏洞 |
| CVE-2021-41029 | 6.4 MEDIUM | Fortinet FortiWLM 跨站脚本漏洞 |
| CVE-2021-26103 | 6.3 MEDIUM | Fortinet FortiProxy SSL VPN 数据伪造问题漏洞 |
| CVE-2021-42757 | 6.3 MEDIUM | Fortinet FortiOS 缓冲区错误漏洞 |
| CVE-2021-41015 | 6.1 MEDIUM | Fortinet FortiWeb跨站脚本漏洞 |
| CVE-2021-43063 | 6.1 MEDIUM | Fortinet FortiWeb 跨站脚本漏洞 |
| CVE-2021-36188 | 6.1 MEDIUM | Fortinet FortiWeb 跨站脚本漏洞 |
| CVE-2021-36190 | 5.5 MEDIUM | Fortinet FortiWeb安全漏洞 |
Showing top 20 of 28 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-26110
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