CVE-2021-26109
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I. Basic Information for CVE-2021-26109
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An integer overflow or wraparound vulnerability in the memory allocator of SSLVPN in FortiOS before 7.0.1 may allow an unauthenticated attacker to corrupt control data on the heap via specifically crafted requests to SSLVPN, resulting in potentially arbitrary code execution.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Fortinet FortiOS 输入验证错误漏洞
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 存在输入验证错误漏洞，该漏洞可能允许未经身份验证的攻击者通过对 SSLVPN 特制的请求破坏堆上的控制数据，从而导致潜在的任意代码执行。
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-2021-26109
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://fortiguard.com/advisory/FG-IR-21-049x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-26109
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-2021-36173 | 8.0 HIGH | Fortinet FortiOS 缓冲区错误漏洞 |
| CVE-2021-26110 | 7.8 HIGH | Fortinet FortiOS 安全漏洞 |
| 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-2021-41014 | 7.5 HIGH | Fortinet FortiWeb 资源管理错误漏洞 |
| CVE-2021-26108 | 7.5 HIGH | Fortinet FortiOS 信任管理问题漏洞 |
| 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-2021-26109
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