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CVE-2021-32776— No CSRF form token cleanup on Windows servers

Quick assessment

Affected
Combodo iTop
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.

Combodo iTop是法国Combodo公司的一套基于ITIL开发且用于IT环境日常运营的开源Web应用程序。该程序提供事件管理、配置管理和问题管理等功能。 Combodo iTop 2.7.4之前版本存在跨站请求伪造漏洞，恶意用户可以重复使用CSRF令牌，因为在Windows服务器上没有对CSRF令牌进行清理。

CVSS 6.8 · Medium EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-32776

Vulnerability Information
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Vulnerability Title
No CSRF form token cleanup on Windows servers
Source: CVE Program / CVE List V5
Vulnerability Description
Combodo iTop is a web based IT Service Management tool. In versions prior to 2.7.4, CSRF tokens can be reused by a malicious user, as on Windows servers no cleanup is done on CSRF tokens. This issue is fixed in versions 2.7.4 and 3.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Combodo iTop 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Combodo iTop是法国Combodo公司的一套基于ITIL开发且用于IT环境日常运营的开源Web应用程序。该程序提供事件管理、配置管理和问题管理等功能。 Combodo iTop 2.7.4之前版本存在跨站请求伪造漏洞，恶意用户可以重复使用CSRF令牌，因为在Windows服务器上没有对CSRF令牌进行清理。
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
Combodo iTop < 2.7.4 -

II. Public POCs for CVE-2021-32776

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III. Intelligence Information for CVE-2021-32776

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Vendor Advisories for CVE-2021-32776 (1)

Same Patch Batch · Combodo · 2021-07-21 · 4 CVEs total

CVE-2021-21407 8.0 HIGH Portal : the CSRF token isn't validated
CVE-2021-32775 7.7 HIGH Any user can see any fields (including mailbox password) with GroupBy Dashlet
CVE-2021-21406 5.8 MEDIUM Command Injection vulnerability in the Setup Wizard

IV. Related Vulnerabilities

Same product: iTop
Same vendor: Combodo
Same weakness: CWE-352

V. Comments for CVE-2021-32776

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