Remote file inclusion vulnerability in ArcGIS Server help documentation

published 2021-12-07 4y ago modified 2026-06-17 4mo ago also EUVD-2021-15754

cvss: 4.7; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 58%
public exploits: 0; none known

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.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: last yr. (2025-04-10)

Exploit prediction

0.84% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.7	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
NVD	3.1	4.7	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

Esri ArcGIS Server

Classification

Weakness

CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program
CWE-829 Inclusion of Functionality from Untrusted Control Sphere

References

esri.com /arcgis-blog/products/arcgis-enterprise/administration/arcgis-server-security-2021-update-2-patch-is-now-avail
not-applicable, vendor-advisory

Sources

CVE List CVE-2021-29113
NVD CVE-2021-29113

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