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CVE-2021-29109— A reflected XSS vulnerability in Esri Portal for ArcGIS version 10.9.

Quick assessment

Affected
Esri Portal for ArcGIS
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.

Esri Portal For ArcGis是美国Esri公司的一种允许在组织内与其他人共享地图、场景、应用程序和其他地理信息的组件。 Esri Portal for ArcGIS versions 10.9 及之前版本存在跨站脚本漏洞，该漏洞允许远程攻击者利用该漏洞引导用户点击一个精心制作的链接，该链接可能会在用户的浏览器中执行任意JavaScript代码。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.74% · P53

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-29109

Vulnerability Information
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Vulnerability Title
A reflected XSS vulnerability in Esri Portal for ArcGIS version 10.9.
Source: CVE Program / CVE List V5
Vulnerability Description
A reflected XSS vulnerability in Esri Portal for ArcGIS version 10.9 and below may allow a remote attacker able to convince a user to click on a crafted link which could potentially execute arbitrary JavaScript code in the user’s browser.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Esri Portal for ArcGIS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Esri Portal For ArcGis是美国Esri公司的一种允许在组织内与其他人共享地图、场景、应用程序和其他地理信息的组件。 Esri Portal for ArcGIS versions 10.9 及之前版本存在跨站脚本漏洞，该漏洞允许远程攻击者利用该漏洞引导用户点击一个精心制作的链接，该链接可能会在用户的浏览器中执行任意JavaScript代码。
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
Esri Portal for ArcGIS All ~ 10.9 -

II. Public POCs for CVE-2021-29109

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III. Intelligence Information for CVE-2021-29109

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Other References for CVE-2021-29109 (1)

Same Patch Batch · Esri · 2021-10-01 · 3 CVEs total

CVE-2021-29108 8.8 HIGH There is an privilege escalation vulnerability in organization-specific logins in Esri Por
CVE-2021-29110 Stored cross-site scripting (XSS) issue in Esri Portal for ArcGIS may allow a remote unaut

IV. Related Vulnerabilities

Same product: Portal for ArcGIS
Same vendor: Esri
Same weakness: CWE-79

V. Comments for CVE-2021-29109

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