CVE-2021-26093
Quick assessment
Affected
Fortinet FortiWLC
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 FortiWLC是美国飞塔（Fortinet）公司的一款无线局域网控制器。 FortiWLC 存在缓冲区错误漏洞，该漏洞源于FortiWLC的命令行界面存在边界错误，本地用户可以运行特殊设计的CLI命令来触发对未初始化指针的访问，并以更高的权限在目标系统上执行任意代码。以下产品及版本受到影响:FortiWLC: 8.5.0、8.5.1、8.5.2、8.5.3、8.6.0。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-26093
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An access of uninitialized pointer (CWE-824) vulnerability in FortiWLC versions 8.6.0, 8.5.3 and earlier may allow a local and authenticated attacker to crash the access point being managed by the controller by executing a crafted CLI command.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用未经初始化的指针
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiWLC 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiWLC是美国飞塔（Fortinet）公司的一款无线局域网控制器。 FortiWLC 存在缓冲区错误漏洞，该漏洞源于FortiWLC的命令行界面存在边界错误，本地用户可以运行特殊设计的CLI命令来触发对未初始化指针的访问，并以更高的权限在目标系统上执行任意代码。以下产品及版本受到影响:FortiWLC: 8.5.0、8.5.1、8.5.2、8.5.3、8.6.0。
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
II. Public POCs for CVE-2021-26093
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-26093 (1)
Same Patch Batch · Fortinet · 2024-12-19 · 7 CVEs total
| CVE-2021-26102 | 9.8 CRITICAL | Avfirewalls FortiWAN 授权问题漏洞 |
| CVE-2020-15934 | 8.6 HIGH | Fortinet FortiClient 安全漏洞 |
| CVE-2021-32589 | 7.7 HIGH | Fortinet FortiManager 和 Fortinet FortiAnalyzer 资源管理错误漏洞 |
| CVE-2021-26115 | 7.6 HIGH | Avfirewalls FortiWAN 操作系统命令注入漏洞 |
| CVE-2020-12820 | 5.4 MEDIUM | Fortinet FortiOS 缓冲区错误漏洞 |
| CVE-2020-12819 | 5.4 MEDIUM | FortiOS 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26093
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