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CVE-2021-29110— Stored cross-site scripting (XSS) issue in Esri Portal for ArcGIS may allow a remote unauthenticated attacker to pass and store malicious strings in the home application.

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 存在跨站脚本漏洞，该漏洞可能会允许远程未经身份验证的攻击者利用该漏洞在应用程序中存储恶意字符串。

AI Predicted 6.1 Difficulty: Easy EPSS 0.66% · P50
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I. Basic Information for CVE-2021-29110

Vulnerability Information
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Vulnerability Title
Stored cross-site scripting (XSS) issue in Esri Portal for ArcGIS may allow a remote unauthenticated attacker to pass and store malicious strings in the home application.
Source: CVE Program / CVE List V5
Vulnerability Description
Stored cross-site scripting (XSS) issue in Esri Portal for ArcGIS may allow a remote unauthenticated attacker to pass and store malicious strings in the home application.
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 存在跨站脚本漏洞，该漏洞可能会允许远程未经身份验证的攻击者利用该漏洞在应用程序中存储恶意字符串。
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-2021-29110

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III. Intelligence Information for CVE-2021-29110

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Other References for CVE-2021-29110 (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-2021-29109 A reflected XSS vulnerability in Esri Portal for ArcGIS version 10.9.

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-29110

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