What is the severity of CVE-2021-29116?

The severity of CVE-2021-29116 is medium with a CVSS score of 6.1.

Which versions of Esri ArcGIS Server are affected by CVE-2021-29116?

Esri ArcGIS Server versions 10.8.1 and 10.9 are affected by CVE-2021-29116.

How can a remote attacker exploit CVE-2021-29116?

A remote, unauthenticated attacker can exploit CVE-2021-29116 by passing and storing malicious strings via crafted queries, which can potentially execute arbitrary JavaS.

Is there a patch available for CVE-2021-29116?

Yes, a patch for CVE-2021-29116 is available. Please refer to the following link for more information: [link](https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/arcgis-server-security-2021-update-2-patch-is-now-available).

Vulnerability/
CVE-2021-29116

medium

6.1

CWE

7/12/2021

16/9/2024

CVE-2021-29116: BUG-000142180 Hosted feature services vulnerable to stored XSS

First published: Tue Dec 07 2021(Updated: )

A stored Cross Site Scripting (XSS) vulnerability in Esri ArcGIS Server feature services versions 10.8.1 and 10.9 (only) feature services may allow a remote, unauthenticated attacker to pass and store malicious strings via crafted queries which when accessed could potentially execute arbitrary JavaScript code in the user’s browser.

Credit: psirt@esri.com

Affected Software	Affected Version	How to fix
Esri ArcGIS Server	=10.8.1
Esri ArcGIS Server	=10.9.0

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Reference Links

https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/arcgis-server-security-2021-update-2-patch-is-now-available

Frequently Asked Questions

What is the severity of CVE-2021-29116?
The severity of CVE-2021-29116 is medium with a CVSS score of 6.1.
Which versions of Esri ArcGIS Server are affected by CVE-2021-29116?
Esri ArcGIS Server versions 10.8.1 and 10.9 are affected by CVE-2021-29116.
What is the vulnerability in CVE-2021-29116?
CVE-2021-29116 is a stored Cross-Site Scripting (XSS) vulnerability in Esri ArcGIS Server feature services.
How can a remote attacker exploit CVE-2021-29116?
A remote, unauthenticated attacker can exploit CVE-2021-29116 by passing and storing malicious strings via crafted queries, which can potentially execute arbitrary JavaS.
Is there a patch available for CVE-2021-29116?
Yes, a patch for CVE-2021-29116 is available. Please refer to the following link for more information: [link](https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/arcgis-server-security-2021-update-2-patch-is-now-available).

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version/esri arcgis server/10.8.1
version/esri arcgis server/10.9.0

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