What is CVE-2021-29116?

CVE-2021-29116 is a medium-severity vulnerability in Esri Arcgis Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-12-07.

How severe is CVE-2021-29116?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Esri Arcgis Server

CVE-2021-29116

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (52.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Esri Arcgis Server — versions 10.8.1
Esri Arcgis_server — versions 10.8.1, 10.9.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@esri.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29116?: CVE-2021-29116 is a medium-severity vulnerability in Esri Arcgis Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-12-07.
How severe is CVE-2021-29116?: Medium severity. CVSS v3 base score is 6.1 out of 10.