CVE-2021-26112
Quick assessment
Affected
Fortinet Fortinet FortiWAN
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 FortiWAN是美国Fortinet公司的一个网络设备。用于在不同网络之间执行负载平衡和容错。 Fortinet FortiWAN 存在安全漏洞，该漏洞允许未经身份验证的攻击者潜在地破坏内存中的控制数据并通过特制的请求执行任意代码。
Possible ATT&CK Techniques 3 AI
T1203 · Exploitation for Client Execution T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-26112
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple stack-based buffer overflow vulnerabilities [CWE-121] both in network daemons and in the command line interpreter of FortiWAN before 4.5.9 may allow an unauthenticated attacker to potentially corrupt control data in memory and execute arbitrary code via specifically crafted requests.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/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 FortiWAN 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiWAN是美国Fortinet公司的一个网络设备。用于在不同网络之间执行负载平衡和容错。 Fortinet FortiWAN 存在安全漏洞，该漏洞允许未经身份验证的攻击者潜在地破坏内存中的控制数据并通过特制的请求执行任意代码。
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 FortiWAN | FortiWAN before 4.5.9 | - |
|
II. Public POCs for CVE-2021-26112
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-26112 (1)
-
https://fortiguard.com/psirt/FG-IR-21-065 x_refsource_CONFIRM
Same Patch Batch · Fortinet · 2022-04-06 · 16 CVEs total
| CVE-2021-26114 | 9.8 CRITICAL | Fortinet FortiWan SQL注入漏洞 |
| CVE-2022-23441 | 9.1 CRITICAL | Fortinet FortiEDR 信任管理问题漏洞 |
| CVE-2021-44169 | 8.2 HIGH | Fortinet FortiClient 安全漏洞 |
| CVE-2021-26104 | 7.8 HIGH | Fortinet 多款产品操作系统命令注入漏洞 |
| CVE-2022-23440 | 7.8 HIGH | Fortinet FortiEDR 信任管理问题漏洞 |
| CVE-2021-32585 | 7.2 HIGH | Fortinet FortiWan 跨站脚本漏洞 |
| CVE-2021-24009 | 7.2 HIGH | Fortinet FortiWan 操作系统命令注入漏洞 |
| CVE-2021-22127 | 7.1 HIGH | Fortinet FortiClient 操作系统命令注入漏洞 |
| CVE-2021-26116 | 6.7 MEDIUM | Fortinet FortiAuthenticator 操作系统命令注入漏洞 |
| CVE-2021-41026 | 6.5 MEDIUM | Fortinet FortiWeb 路径遍历漏洞 |
| CVE-2021-32593 | 6.5 MEDIUM | Fortinet FortiWan 加密问题漏洞 |
| CVE-2021-26113 | 6.2 MEDIUM | Fortinet FortiWan 信任管理问题漏洞 |
| CVE-2020-29013 | 5.4 MEDIUM | Fortinet FortiSandbox 输入验证错误漏洞 |
| CVE-2022-23446 | 4.4 MEDIUM | Fortinet FortiEDR 安全漏洞 |
| CVE-2021-43205 | 4.3 MEDIUM | Fortinet FortiClient 信息泄露漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26112
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