CVE-2021-29116

BUG-000142180 Hosted feature services vulnerable to stored XSS

Description

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.

Remediation

Workaround:

  • This issue may be mitigated by securing the feature service.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.48%
Vendor Advisory esri.com
Affected: Esri ArcGIS Server
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2021-29116?
CVE-2021-29116 has been scored as a medium severity vulnerability.
How to fix CVE-2021-29116?
As a workaround for remediating CVE-2021-29116: This issue may be mitigated by securing the feature service.
Is CVE-2021-29116 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-29116 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-29116?
CVE-2021-29116 affects Esri ArcGIS Server.
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