CVE-2021-29104

Name: CVE-2021-29104
Creator: NVD / NIST
Published: 2021-07-11T02:15:07.603+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.81%

Last modified Jun 17, 2026

CVE-2021-29104 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A stored Cross Site Scripting (XXS) vulnerability in ArcGIS Server Manager version 10.8.1 and below may allow a remote unauthenticated attacker to pass and store malicious strings in the ArcGIS Server Manager application.. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

Description

A stored Cross Site Scripting (XXS) vulnerability in ArcGIS Server Manager version 10.8.1 and below may allow a remote unauthenticated attacker to pass and store malicious strings in the ArcGIS Server Manager application.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.81%

52.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Esri	Arcgis Server	< 10.9.0

References

Timeline

Published: Jul 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29104?

How severe is CVE-2021-29104?

CVE-2021-29104 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29104?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29104?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST