What is CVE-2021-29113?

CVE-2021-29113 is a medium-severity vulnerability in Esri Arcgis Server, classified under PHP Remote File Inclusion. CVSS score: 4.7/10. Published 2021-12-07.

How severe is CVE-2021-29113?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Esri Arcgis Server

CVE-2021-29113

A remote file inclusion vulnerability in the ArcGIS Server help documentation may allow a remote, unauthenticated attacker to inject attacker supplied html into a page.

Published 2021-12-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Esri Arcgis Server — versions 10.9
Esri Arcgis Server

Weakness classification (CWE)

References

www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/arcgis-serve… (Not Applicable, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29113?: CVE-2021-29113 is a medium-severity vulnerability in Esri Arcgis Server, classified under PHP Remote File Inclusion. CVSS score: 4.7/10. Published 2021-12-07.
How severe is CVE-2021-29113?: Medium severity. CVSS v3 base score is 4.7 out of 10.