CVE-2021-3012

Name: CVE-2021-3012
Creator: NVD / NIST
Published: 2021-04-08T11:15:12.947+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2021-3012 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A cross-site scripting (XSS) vulnerability in the Document Link of documents in ESRI Enterprise before 10.9 allows remote authenticated users to inject arbitrary JavaScript code via a malicious HTML attribute such as onerror (in the URL field of the Parameters tab).. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

A cross-site scripting (XSS) vulnerability in the Document Link of documents in ESRI Enterprise before 10.9 allows remote authenticated users to inject arbitrary JavaScript code via a malicious HTML attribute such as onerror (in the URL field of the Parameters tab).

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.66%

46.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Esri	Arcgis Enterprise	< 10.9

References

https://blog.bssi.fr/cve-2021-3012-vulnerability-allowing-remote-html-javascript-code-injection-on-esri-arcgis-products/Exploit, Third Party Advisory
https://blog.bssi.fr/cve-2021-3012-vulnerability-allowing-remote-html-javascript-code-injection-on-esri-arcgis-products/Exploit, Third Party Advisory

Timeline

Published: Apr 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3012?

How severe is CVE-2021-3012?

CVE-2021-3012 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3012?

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-2021-3012?

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

Scan your code now

Source: NVD / NIST