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CVE-2021-24019

Quick assessment

Affected
Fortinet Fortinet FortiClientEMS
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Fortinet FortiClientEms是美国Fortinet公司的一个集中式中央管理系統。 FortiClientEMS 6.4.2及以下版本、6.2.8及以下版本存在代码问题漏洞，攻击者可利用该漏洞通过重用未过期的管理员用户会话ID以获得管理员权限。

CVSS 8.1 · High EPSS 3.90% · P90

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2021-24019

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An insufficient session expiration vulnerability [CWE- 613] in FortiClientEMS versions 6.4.2 and below, 6.2.8 and below may allow an attacker to reuse the unexpired admin user session IDs to gain admin privileges, should the attacker be able to obtain that session ID (via other, hypothetical attacks)
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 FortiClientEms 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiClientEms是美国Fortinet公司的一个集中式中央管理系統。 FortiClientEMS 6.4.2及以下版本、6.2.8及以下版本存在代码问题漏洞，攻击者可利用该漏洞通过重用未过期的管理员用户会话ID以获得管理员权限。
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 FortiClientEMS FortiClientEMS 6.4.2, 6.4.1, 6.4.0, 6.2.8, 6.2.7, 6.2.6, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0 -

II. Public POCs for CVE-2021-24019

# POC Description Source Link Shenlong Link
1 Exploit https://github.com/cnetsec/CVE-2021-24019 POC Details
2 Exploit https://github.com/chessredoffsec/CVE-2021-24019 POC Details
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III. Intelligence Information for CVE-2021-24019

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Vendor Advisories for CVE-2021-24019 (1)

Same Patch Batch · Fortinet · 2021-10-06 · 6 CVEs total

CVE-2020-15941 5.4 MEDIUM Fortinet FortiClientEms 路径遍历漏洞
CVE-2021-24021 4.3 MEDIUM Fortinet FortiAnalyzer 跨站脚本漏洞
CVE-2021-36178 4.3 MEDIUM Fortinet FortiSDNConnector 安全漏洞
CVE-2021-36175 4.1 MEDIUM Fortinet FortiWebManager 跨站脚本漏洞
CVE-2021-36170 3.2 LOW Fortinet FortiManager VM和FortiAnalyzerVm 信息泄露漏洞

IV. Related Vulnerabilities

Same product: Fortinet FortiClientEMS
Same vendor: Fortinet

V. Comments for CVE-2021-24019

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