CVE-2021-26088
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I. Basic Information for CVE-2021-26088
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An improper authentication vulnerability in FSSO Collector version 5.0.295 and below may allow an unauthenticated user to bypass a FSSO firewall policy and access the protected network via sending specifically crafted UDP login notification packets.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Fortinet FSSO Collector Agent 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FSSO Collector Agent是美国Fortinet公司的一个小型软件程序，当用户对网络进行身份验证时，它会通知N4L Managed Router。 FSSO Collector 中存在授权问题漏洞，该漏洞源于系统为正确限制来自非授权用户的访问。该漏洞允许未经身份验证的用户绕过FSSO防火墙策略，通过发送专门设计的UDP登录通知包访问受保护的网络。以下产品及版本受到影响：FSSO DC Agent and Collector FOS 7.0.0 版本及之前版本、FSSO DC
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 FSSO Windows DC Agent, FSSO Windows CA | FSSO Windows DC Agent 5.0.295, 5.0.294; FSSO Windows CA 5.0.295, 5.0.294 | - |
II. Public POCs for CVE-2021-26088
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | PoC for CVE-2021-26088 written in PowerShell | https://github.com/theogobinet/CVE-2021-26088 | POC Details |
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- https://fortiguard.com/advisory/FG-IR-20-191x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-26088
Same Patch Batch · Fortinet · 2021-07-12 · 6 CVEs total
| CVE-2021-24013 | 8.8 HIGH | FortiMail路径遍历漏洞 |
| CVE-2021-24015 | 7.2 HIGH | FortiMail操作系统命令注入漏洞 |
| CVE-2021-26089 | 6.7 MEDIUM | Fortinet FortiClient 后置链接漏洞 |
| CVE-2021-26090 | 5.3 MEDIUM | Fortinet FortiMail 安全漏洞 |
| CVE-2021-26099 | 4.4 MEDIUM | Fortinet FortiMail 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26088
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