CVE-2024-21762
Quick assessment
Affected
Fortinet FortiProxy
Exploitation
Confirmed exploitation in the wild; remediate immediately
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存在缓冲区错误漏洞，该漏洞源于存在越界写入，允许攻击者通过特制请求执行未经授权的代码或命令。
In-the-Wild Activity Observed
cisa_kev · confirmed
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 13
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Fortinet | FortiOS | 7.4.0≤ 7.4.2 |
affected |
7.2.0≤ 7.2.6 |
affected | ||
7.0.0≤ 7.0.13 |
affected | ||
6.4.0≤ 6.4.14 |
affected | ||
6.2.0≤ 6.2.15 |
affected | ||
6.0.0≤ 6.0.17 |
affected | ||
| Fortinet | FortiProxy | 7.4.0≤ 7.4.2 |
affected |
7.2.0≤ 7.2.8 |
affected | ||
7.0.0≤ 7.0.14 |
affected | ||
2.0.0≤ 2.0.13 |
affected | ||
1.2.0≤ 1.2.13 |
affected | ||
1.1.0≤ 1.1.6 |
affected | ||
1.0.0≤ 1.0.7 |
affected |
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I. Basic Information for CVE-2024-21762
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to execute unauthorized code or commands via specifically crafted requests
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiOS 缓冲区错误漏洞
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存在缓冲区错误漏洞，该漏洞源于存在越界写入，允许攻击者通过特制请求执行未经授权的代码或命令。
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Fortinet | FortiProxy | 7.4.0 ~ 7.4.2 | - |
|
| Fortinet | FortiOS | 7.4.0 ~ 7.4.2 | - |
|
II. Public POCs for CVE-2024-21762
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/Gh71m/CVE-2024-21762-POC | POC Details |
| 2 | FortiOS 6.0 - 7.4.2 Out of bound exploit --> RCE!!! | https://github.com/c0d3b3af/CVE-2024-21762-POC | POC Details |
| 3 | Safely detect whether a FortiGate SSL VPN is vulnerable to CVE-2024-21762 | https://github.com/BishopFox/cve-2024-21762-check | POC Details |
| 4 | CVE-2024-21762 POC Forti VPN SSL Out of Boundary RCE | https://github.com/tr1pl3ight/CVE-2024-21762-POC | POC Details |
| 5 | FortiOS 6.0 - 7.4.2 Out of bound exploit --> RCE!!! | https://github.com/redCode001/CVE-2024-21762-POC | POC Details |
| 6 | proof-of-concept out-of-bound write vuln in FortiOS ---> RCE | https://github.com/c0d3b3af/CVE-2024-21762-Exploit | POC Details |
| 7 | Real proof-of-concept out-of-bound write vuln in FortiOS ---> RCE | https://github.com/RequestXss/CVE-2024-21762-Exploit-POC | POC Details |
| 8 | CVE-2024-21762 is an out of bounds write vulnerability in fortinet fortios which leads to unauthenticated remote code execution | https://github.com/t4ril/CVE-2024-21762-PoC | POC Details |
| 9 | RCE exploit for FortiOS 6.0-7.4.2 | https://github.com/c0d3b3af/CVE-2024-21762-RCE-exploit | POC Details |
| 10 | This script performs vulnerability scanning for CVE-2024-21762, a Fortinet SSL VPN remote code execution vulnerability. It checks whether a given server is vulnerable to this CVE by sending specific requests and analyzing the responses. | https://github.com/cleverg0d/CVE-2024-21762-Checker | POC Details |
| 11 | The only one working RCE exploit that sells for $5,000 on the darknet | https://github.com/JohnHormond/CVE-2024-21762-Fortinet-RCE-WORK | POC Details |
| 12 | out-of-bounds write in Fortinet FortiOS CVE-2024-21762 vulnerability | https://github.com/h4x0r-dz/CVE-2024-21762 | POC Details |
| 13 | Chequea si tu firewall es vulnerable a CVE-2024-21762 (RCE sin autenticación) | https://github.com/r4p3c4/CVE-2024-21762-Exploit-PoC-Fortinet-SSL-VPN-Check | POC Details |
| 14 | Fortinet CVE 2024 | https://github.com/vorotilovaawex/CVE-2024-21762_POC | POC Details |
| 15 | None | https://github.com/TheRedDevil1/CVE-2024-21762 | POC Details |
| 16 | The PoC demonstrates the potential for remote code execution by exploiting the identified security flaw. | https://github.com/d0rb/CVE-2024-21762 | POC Details |
| 17 | CVE-2024-21762-POC replayse published | https://github.com/S0SkiPlosK1/CVE-2024-21762-POC | POC Details |
| 18 | None | https://github.com/lore-is-already-taken/multicheck_CVE-2024-21762 | POC Details |
| 19 | None | https://github.com/lolminerxmrig/multicheck_CVE-2024-21762 | POC Details |
| 20 | None | https://github.com/AlexLondan/CVE-2024-21762-Fortinet-RCE-ALLWORK | POC Details |
| 21 | None | https://github.com/zzcentury/FortiGate-CVE-2024-21762 | POC Details |
| 22 | Full exploit of Cve-2024-21762! | https://github.com/Codeb3af/Cve-2024-21762- | POC Details |
| 23 | None | https://github.com/rdoix/cve-2024-21762-checker | POC Details |
| 24 | CVE-2024-21762 是 Fortinet 公司的 FortiOS 和 FortiProxy 产品中的一个严重漏洞，存在于其 SSL VPN 组件中。 | https://github.com/XiaomingX/cve-2024-21762-poc | POC Details |
| 25 | Proof-of-concept scanner targeting CVE-2024-21762 in FortiOS SSL VPN’s /remote/hostcheck_validate endpoint with reverse shell payload delivery. | https://github.com/abrewer251/CVE-2024-21762_FortiNet_PoC | POC Details |
| 26 | This script performs vulnerability scanning for CVE-2024-21762, a Fortinet SSL VPN remote code execution vulnerability. It checks whether a given server is vulnerable to this CVE by sending specific requests and analyzing the responses. | https://github.com/deFr0ggy/CVE-2024-21762-Checker | POC Details |
| 27 | None | https://github.com/0x13-ByteZer0/CVE-2024-21762 | POC Details |
| 28 | CVE-2024-21762 是 Fortinet 公司的 FortiOS 和 FortiProxy 产品中的一个严重漏洞，存在于其 SSL VPN 组件中。 | https://github.com/CrackerCat/cve-2024-21762-poc | POC Details |
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Vendor Advisories for CVE-2024-21762 (1)
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