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CVE-2020-15221— XSS in the breadcrumbs

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 2.7.2和3.0.0之前版本存在跨站脚本漏洞，攻击者可通过修改目标浏览器本地存储，在iTop控制台breadcrumb中生成XSS。

CVSS 6.8 · Medium EPSS 0.55% · P44

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2020-15221

Vulnerability Information
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Vulnerability Title
XSS in the breadcrumbs
Source: CVE Program / CVE List V5
Vulnerability Description
Combodo iTop is a web based IT Service Management tool. In iTop before versions 2.7.2 and 3.0.0, by modifying target browser local storage, an XSS can be generated in the iTop console breadcrumb. This is fixed in versions 2.7.2 and 3.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Combodo iTop 跨站脚本漏洞
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 2.7.2和3.0.0之前版本存在跨站脚本漏洞，攻击者可通过修改目标浏览器本地存储，在iTop控制台breadcrumb中生成XSS。
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 < 2.7.2 -

II. Public POCs for CVE-2020-15221

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III. Intelligence Information for CVE-2020-15221

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Vendor Advisories for CVE-2020-15221 (1)

Same Patch Batch · Combodo · 2021-01-13 · 4 CVEs total

CVE-2020-15218 6.8 MEDIUM Admin pages are cached and can be embedded
CVE-2020-15220 6.1 MEDIUM Session fixation
CVE-2020-15219 4.3 MEDIUM SQL query displayed on portal error

IV. Related Vulnerabilities

Same product: iTop
Same vendor: Combodo
Same weakness: CWE-79

V. Comments for CVE-2020-15221

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